609466400 has 36 divisors (see below), whose sum is σ = 1487861802. Its totient is φ = 243786240.

The previous prime is 609466399. The next prime is 609466411. The reversal of 609466400 is 4664906.

It can be written as a sum of positive squares in 3 ways, for example, as 275161744 + 334304656 = 16588^2 + 18284^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380117 + ... + 381716.

Almost surely, 2^609466400 is an apocalyptic number.

It is an amenable number.

609466400 is an abundant number, since it is smaller than the sum of its proper divisors (878395402).

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

609466400 is a wasteful number, since it uses less digits than its factorization.

609466400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761853 (or 761840 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 609466400 is about 24687.3732908141. The cubic root of 609466400 is about 847.8452458791.

The spelling of 609466400 in words is "six hundred nine million, four hundred sixty-six thousand, four hundred".