64246931 has 8 divisors (see below), whose sum is σ = 73505280. Its totient is φ = 55008648.

The previous prime is 64246921. The next prime is 64246933. The reversal of 64246931 is 13964246.

64246931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64246931 is a prime.

It is a super-2 number, since 2×64246931² = 8255336285837522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64246891 and 64246900.

It is not an unprimeable number, because it can be changed into a prime (64246933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (9188160).

Almost surely, 2^64246931 is an apocalyptic number.

64246931 is a deficient number, since it is larger than the sum of its proper divisors (9258349).

64246931 is a wasteful number, since it uses less digits than its factorization.

64246931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

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

The square root of 64246931 is about 8015.4183296943. The cubic root of 64246931 is about 400.5137793777.

The spelling of 64246931 in words is "sixty-four million, two hundred forty-six thousand, nine hundred thirty-one".