307053985 has 32 divisors (see below), whose sum is σ = 429004800. Its totient is φ = 206641152.

The previous prime is 307053953. The next prime is 307053991. The reversal of 307053985 is 589350703.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 307053985 - 2⁵ = 307053953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505552 + ... + 506158.

It is an arithmetic number, because the mean of its divisors is an integer number (13406400).

Almost surely, 2^307053985 is an apocalyptic number.

307053985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

307053985 is a deficient number, since it is larger than the sum of its proper divisors (121950815).

307053985 is a wasteful number, since it uses less digits than its factorization.

307053985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 307053985 is about 17522.9559435616. The cubic root of 307053985 is about 674.6392109412.

The spelling of 307053985 in words is "three hundred seven million, fifty-three thousand, nine hundred eighty-five".