485687400 has 96 divisors (see below), whose sum is σ = 1642528800. Its totient is φ = 117740800.

The previous prime is 485687387. The next prime is 485687407. The reversal of 485687400 is 4786584.

It is not an unprimeable number, because it can be changed into a prime (485687407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30195 + ... + 43394.

It is an arithmetic number, because the mean of its divisors is an integer number (17109675).

Almost surely, 2^485687400 is an apocalyptic number.

485687400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485687400 is an abundant number, since it is smaller than the sum of its proper divisors (1156841400).

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

485687400 is a wasteful number, since it uses less digits than its factorization.

485687400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73619 (or 73610 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 485687400 is about 22038.3166326287. The cubic root of 485687400 is about 786.0538134332.

The spelling of 485687400 in words is "four hundred eighty-five million, six hundred eighty-seven thousand, four hundred".