609461436 has 12 divisors (see below), whose sum is σ = 1422076712. Its totient is φ = 203153808.

The previous prime is 609461399. The next prime is 609461449. The reversal of 609461436 is 634164906.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 609461394 and 609461403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25394215 + ... + 25394238.

Almost surely, 2^609461436 is an apocalyptic number.

It is an amenable number.

609461436 is an abundant number, since it is smaller than the sum of its proper divisors (812615276).

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

609461436 is a wasteful number, since it uses less digits than its factorization.

609461436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50788460 (or 50788458 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 609461436 is about 24687.2727533845. The cubic root of 609461436 is about 847.8429440211.

The spelling of 609461436 in words is "six hundred nine million, four hundred sixty-one thousand, four hundred thirty-six".