900468781 has 8 divisors (see below), whose sum is σ = 929076480. Its totient is φ = 872291472.

The previous prime is 900468757. The next prime is 900468799. The reversal of 900468781 is 187864009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 900468781 - 2²¹ = 898371629 is a prime.

It is a super-2 number, since 2×900468781² = 1621688051111251922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900468731) 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 7 ways as a sum of consecutive naturals, for example, 103345 + ... + 111718.

It is an arithmetic number, because the mean of its divisors is an integer number (116134560).

Almost surely, 2^900468781 is an apocalyptic number.

It is an amenable number.

900468781 is a deficient number, since it is larger than the sum of its proper divisors (28607699).

900468781 is a wasteful number, since it uses less digits than its factorization.

900468781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215195.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 900468781 is about 30007.8119995444. The cubic root of 900468781 is about 965.6569862796.

The spelling of 900468781 in words is "nine hundred million, four hundred sixty-eight thousand, seven hundred eighty-one".