64990348 has 6 divisors (see below), whose sum is σ = 113733116. Its totient is φ = 32495172.

The previous prime is 64990333. The next prime is 64990351. The reversal of 64990348 is 84309946.

It is a super-2 number, since 2×64990348² = 8447490666322208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8123790 + ... + 8123797.

Almost surely, 2^64990348 is an apocalyptic number.

It is an amenable number.

64990348 is a deficient number, since it is larger than the sum of its proper divisors (48742768).

64990348 is a wasteful number, since it uses less digits than its factorization.

64990348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16247591 (or 16247589 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 64990348 is about 8061.6591344462. The cubic root of 64990348 is about 402.0526733122.

The spelling of 64990348 in words is "sixty-four million, nine hundred ninety thousand, three hundred forty-eight".