306807436 has 24 divisors (see below), whose sum is σ = 579282704. Its totient is φ = 141341760.

The previous prime is 306807433. The next prime is 306807461. The reversal of 306807436 is 634708603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 306807395 and 306807404.

It is not an unprimeable number, because it can be changed into a prime (306807433) 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, 24526 + ... + 34858.

Almost surely, 2^306807436 is an apocalyptic number.

It is an amenable number.

306807436 is a deficient number, since it is larger than the sum of its proper divisors (272475268).

306807436 is a wasteful number, since it uses less digits than its factorization.

306807436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 306807436 is about 17515.9195019845. The cubic root of 306807436 is about 674.4585954040.

The spelling of 306807436 in words is "three hundred six million, eight hundred seven thousand, four hundred thirty-six".