900645468 has 24 divisors (see below), whose sum is σ = 2125121040. Its totient is φ = 296841600.

The previous prime is 900645461. The next prime is 900645491. The reversal of 900645468 is 864546009.

It is a super-2 number, since 2×900645468² = 1622324518057878048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900645461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420583 + ... + 422718.

It is an arithmetic number, because the mean of its divisors is an integer number (88546710).

Almost surely, 2^900645468 is an apocalyptic number.

It is an amenable number.

900645468 is an abundant number, since it is smaller than the sum of its proper divisors (1224475572).

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

900645468 is a wasteful number, since it uses less digits than its factorization.

900645468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843397 (or 843395 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 900645468 is about 30010.7558718537. The cubic root of 900645468 is about 965.7201414870.

The spelling of 900645468 in words is "nine hundred million, six hundred forty-five thousand, four hundred sixty-eight".