64204494 has 32 divisors (see below), whose sum is σ = 131072256. Its totient is φ = 20962560.

The previous prime is 64204489. The next prime is 64204531. The reversal of 64204494 is 49440246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61759 + ... + 62789.

It is an arithmetic number, because the mean of its divisors is an integer number (4096008).

Almost surely, 2^64204494 is an apocalyptic number.

64204494 is an abundant number, since it is smaller than the sum of its proper divisors (66867762).

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

64204494 is a wasteful number, since it uses less digits than its factorization.

64204494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 64204494 is about 8012.7706818553. The cubic root of 64204494 is about 400.4255762183.

The spelling of 64204494 in words is "sixty-four million, two hundred four thousand, four hundred ninety-four".