64836236 has 12 divisors (see below), whose sum is σ = 114468312. Its totient is φ = 32131008.

The previous prime is 64836203. The next prime is 64836269. The reversal of 64836236 is 63263846.

It is an interprime number because it is at equal distance from previous prime (64836203) and next prime (64836269).

It is a self number, because there is not a number n which added to its sum of digits gives 64836236.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71270 + ... + 72173.

It is an arithmetic number, because the mean of its divisors is an integer number (9539026).

Almost surely, 2^64836236 is an apocalyptic number.

It is an amenable number.

64836236 is a deficient number, since it is larger than the sum of its proper divisors (49632076).

64836236 is a wasteful number, since it uses less digits than its factorization.

64836236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143560 (or 143558 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 64836236 is about 8052.0951310823. The cubic root of 64836236 is about 401.7346251487.

The spelling of 64836236 in words is "sixty-four million, eight hundred thirty-six thousand, two hundred thirty-six".