64090238 has 8 divisors (see below), whose sum is σ = 101790432. Its totient is φ = 30160096.

The previous prime is 64090189. The next prime is 64090307. The reversal of 64090238 is 83209046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 942470 + ... + 942537.

It is an arithmetic number, because the mean of its divisors is an integer number (12723804).

Almost surely, 2^64090238 is an apocalyptic number.

64090238 is a deficient number, since it is larger than the sum of its proper divisors (37700194).

64090238 is a wasteful number, since it uses less digits than its factorization.

64090238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885026.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64090238 is about 8005.6378883884. The cubic root of 64090238 is about 400.1879075464.

The spelling of 64090238 in words is "sixty-four million, ninety thousand, two hundred thirty-eight".