900969750 has 128 divisors (see below), whose sum is σ = 2520760320. Its totient is φ = 238140000.

The previous prime is 900969739. The next prime is 900969761. The reversal of 900969750 is 57969009.

It is an interprime number because it is at equal distance from previous prime (900969739) and next prime (900969761).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 900969696 and 900969705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 856725 + ... + 857775.

It is an arithmetic number, because the mean of its divisors is an integer number (19693440).

Almost surely, 2^900969750 is an apocalyptic number.

900969750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 900969750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260380160).

900969750 is an abundant number, since it is smaller than the sum of its proper divisors (1619790570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

900969750 is a wasteful number, since it uses less digits than its factorization.

900969750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 900969750 is about 30016.1581485706. The cubic root of 900969750 is about 965.8360317353.

The spelling of 900969750 in words is "nine hundred million, nine hundred sixty-nine thousand, seven hundred fifty".