64603894 has 16 divisors (see below), whose sum is σ = 98564256. Its totient is φ = 31752000.

The previous prime is 64603853. The next prime is 64603921. The reversal of 64603894 is 49830646.

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 7 ways as a sum of consecutive naturals, for example, 84964 + ... + 85720.

It is an arithmetic number, because the mean of its divisors is an integer number (6160266).

Almost surely, 2^64603894 is an apocalyptic number.

64603894 is a deficient number, since it is larger than the sum of its proper divisors (33960362).

64603894 is a wasteful number, since it uses less digits than its factorization.

64603894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 64603894 is about 8037.6547574526. The cubic root of 64603894 is about 401.2541759965.

The spelling of 64603894 in words is "sixty-four million, six hundred three thousand, eight hundred ninety-four".