900750 has 32 divisors (see below), whose sum is σ = 2250144. Its totient is φ = 240000.

The previous prime is 900743. The next prime is 900751. The reversal of 900750 is 57009.

900750 = T₅₂ + T₅₃ + ... + T₁₇₆.

It is a super-2 number, since 2×900750² = 1622701125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (70317).

2⁹⁰⁰⁷⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125072).

900750 is an abundant number, since it is smaller than the sum of its proper divisors (1349394).

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

900750 is a wasteful number, since it uses less digits than its factorization.

900750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 900750 is about 949.0785004413. The cubic root of 900750 is about 96.5757501638.

Adding to 900750 its reverse (57009), we get a palindrome (957759).

The spelling of 900750 in words is "nine hundred thousand, seven hundred fifty".