64865046 has 16 divisors (see below), whose sum is σ = 130215600. Its totient is φ = 21540768.

The previous prime is 64865041. The next prime is 64865071. The reversal of 64865046 is 64056846.

It is a junction number, because it is equal to n+sod(n) for n = 64864995 and 64865013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64865041) 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, 18481 + ... + 21708.

It is an arithmetic number, because the mean of its divisors is an integer number (8138475).

Almost surely, 2^64865046 is an apocalyptic number.

64865046 is an abundant number, since it is smaller than the sum of its proper divisors (65350554).

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

64865046 is a wasteful number, since it uses less digits than its factorization.

64865046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40463.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 64865046 is about 8053.8839077801. The cubic root of 64865046 is about 401.7941199692.

The spelling of 64865046 in words is "sixty-four million, eight hundred sixty-five thousand, forty-six".