1238232664 has 8 divisors (see below), whose sum is σ = 2321686260. Its totient is φ = 619116328.

The previous prime is 1238232647. The next prime is 1238232673. The reversal of 1238232664 is 4662328321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77389534 + ... + 77389549.

Almost surely, 2^1238232664 is an apocalyptic number.

It is an amenable number.

1238232664 is a deficient number, since it is larger than the sum of its proper divisors (1083453596).

1238232664 is a wasteful number, since it uses less digits than its factorization.

1238232664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154779089 (or 154779085 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 1238232664 is about 35188.5302904228. The cubic root of 1238232664 is about 1073.8264211617.

The spelling of 1238232664 in words is "one billion, two hundred thirty-eight million, two hundred thirty-two thousand, six hundred sixty-four".