38463688 has 8 divisors (see below), whose sum is σ = 72119430. Its totient is φ = 19231840.

The previous prime is 38463679. The next prime is 38463697. The reversal of 38463688 is 88636483.

It is an interprime number because it is at equal distance from previous prime (38463679) and next prime (38463697).

It can be written as a sum of positive squares in only one way, i.e., 34128964 + 4334724 = 5842^2 + 2082^2 .

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

It is a super-2 number, since 2×38463688² = 2958910589122688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2403973 + ... + 2403988.

Almost surely, 2^38463688 is an apocalyptic number.

It is an amenable number.

38463688 is a deficient number, since it is larger than the sum of its proper divisors (33655742).

38463688 is a wasteful number, since it uses less digits than its factorization.

38463688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807967 (or 4807963 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 38463688 is about 6201.9100283703. The cubic root of 38463688 is about 337.5594788633.

The spelling of 38463688 in words is "thirty-eight million, four hundred sixty-three thousand, six hundred eighty-eight".