65939460 has 48 divisors (see below), whose sum is σ = 185334912. Its totient is φ = 17516800.

The previous prime is 65939453. The next prime is 65939507. The reversal of 65939460 is 6493956.

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 15 ways as a sum of consecutive naturals, for example, 14905 + ... + 18815.

It is an arithmetic number, because the mean of its divisors is an integer number (3861144).

Almost surely, 2^65939460 is an apocalyptic number.

65939460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65939460 is an abundant number, since it is smaller than the sum of its proper divisors (119395452).

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

65939460 is a wasteful number, since it uses less digits than its factorization.

65939460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204 (or 4202 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 65939460 is about 8120.3115703771. The cubic root of 65939460 is about 404.0004002872. Note that the first 3 decimals are identical.

The spelling of 65939460 in words is "sixty-five million, nine hundred thirty-nine thousand, four hundred sixty".