64452338 has 8 divisors (see below), whose sum is σ = 102365532. Its totient is φ = 30330496.

The previous prime is 64452331. The next prime is 64452359. The reversal of 64452338 is 83325446.

It can be written as a sum of positive squares in 2 ways, for example, as 63313849 + 1138489 = 7957^2 + 1067^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64452298 and 64452307.

It is not an unprimeable number, because it can be changed into a prime (64452331) 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, 947795 + ... + 947862.

Almost surely, 2^64452338 is an apocalyptic number.

64452338 is a deficient number, since it is larger than the sum of its proper divisors (37913194).

64452338 is a wasteful number, since it uses less digits than its factorization.

64452338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895676.

The product of its digits is 69120, while the sum is 35.

The square root of 64452338 is about 8028.2213472226. The cubic root of 64452338 is about 400.9401593530.

The spelling of 64452338 in words is "sixty-four million, four hundred fifty-two thousand, three hundred thirty-eight".