469490436 has 18 divisors (see below), whose sum is σ = 1186767582. Its totient is φ = 156496800.

The previous prime is 469490429. The next prime is 469490459. The reversal of 469490436 is 634094964.

It is a happy number.

469490436 is a `hidden beast` number, since 46 + 94 + 90 + 436 = 666.

It can be written as a sum of positive squares in only one way, i.e., 426009600 + 43480836 = 20640^2 + 6594^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 469490391 and 469490400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6520665 + ... + 6520736.

Almost surely, 2^469490436 is an apocalyptic number.

It is an amenable number.

469490436 is an abundant number, since it is smaller than the sum of its proper divisors (717277146).

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

469490436 is a wasteful number, since it uses less digits than its factorization.

469490436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041411 (or 13041406 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 469490436 is about 21667.7279842627. The cubic root of 469490436 is about 777.2169258615.

The spelling of 469490436 in words is "four hundred sixty-nine million, four hundred ninety thousand, four hundred thirty-six".