64264436 has 6 divisors (see below), whose sum is σ = 112462770. Its totient is φ = 32132216.

The previous prime is 64264423. The next prime is 64264531. The reversal of 64264436 is 63446246.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 24068836 = 6340^2 + 4906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64264396 and 64264405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8033051 + ... + 8033058.

It is an arithmetic number, because the mean of its divisors is an integer number (18743795).

Almost surely, 2^64264436 is an apocalyptic number.

It is an amenable number.

64264436 is a deficient number, since it is larger than the sum of its proper divisors (48198334).

64264436 is a wasteful number, since it uses less digits than its factorization.

64264436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16066113 (or 16066111 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 64264436 is about 8016.5102133035. The cubic root of 64264436 is about 400.5501513202.

The spelling of 64264436 in words is "sixty-four million, two hundred sixty-four thousand, four hundred thirty-six".