64328492 has 12 divisors (see below), whose sum is σ = 112890960. Its totient is φ = 32073936.

The previous prime is 64328491. The next prime is 64328501. The reversal of 64328492 is 29482346.

It is a happy number.

It is a super-3 number, since 3×64328492³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64328491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20963 + ... + 23834.

It is an arithmetic number, because the mean of its divisors is an integer number (9407580).

Almost surely, 2^64328492 is an apocalyptic number.

It is an amenable number.

64328492 is a deficient number, since it is larger than the sum of its proper divisors (48562468).

64328492 is a wasteful number, since it uses less digits than its factorization.

64328492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45160 (or 45158 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 64328492 is about 8020.5044729119. The cubic root of 64328492 is about 400.6831907948.

The spelling of 64328492 in words is "sixty-four million, three hundred twenty-eight thousand, four hundred ninety-two".