64290366 has 24 divisors (see below), whose sum is σ = 159195504. Its totient is φ = 18368640.

The previous prime is 64290341. The next prime is 64290367. The reversal of 64290366 is 66309246.

64290366 is a `hidden beast` number, since 6 + 4 + 290 + 366 = 666.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 64290366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64290367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254995 + ... + 255246.

It is an arithmetic number, because the mean of its divisors is an integer number (6633146).

Almost surely, 2^64290366 is an apocalyptic number.

64290366 is an abundant number, since it is smaller than the sum of its proper divisors (94905138).

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

64290366 is a wasteful number, since it uses less digits than its factorization.

64290366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510256 (or 510253 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 64290366 is about 8018.1273374772. The cubic root of 64290366 is about 400.6040166174.

The spelling of 64290366 in words is "sixty-four million, two hundred ninety thousand, three hundred sixty-six".