64492386 has 32 divisors (see below), whose sum is σ = 148485120. Its totient is φ = 18292176.

The previous prime is 64492367. The next prime is 64492397. The reversal of 64492386 is 68329446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (4640160).

Almost surely, 2^64492386 is an apocalyptic number.

64492386 is an abundant number, since it is smaller than the sum of its proper divisors (83992734).

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

64492386 is a wasteful number, since it uses less digits than its factorization.

64492386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198.

The product of its digits is 248832, while the sum is 42.

The square root of 64492386 is about 8030.7151611796. The cubic root of 64492386 is about 401.0231846679.

The spelling of 64492386 in words is "sixty-four million, four hundred ninety-two thousand, three hundred eighty-six".