38464631 has 2 divisors, whose sum is σ = 38464632. Its totient is φ = 38464630.

The previous prime is 38464627. The next prime is 38464639. The reversal of 38464631 is 13646483.

It is a weak prime.

It is an emirp because it is prime and its reverse (13646483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38464631 - 2² = 38464627 is a prime.

It is a super-2 number, since 2×38464631² = 2959055675932322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38464591 and 38464600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38464639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19232315 + 19232316.

It is an arithmetic number, because the mean of its divisors is an integer number (19232316).

Almost surely, 2^38464631 is an apocalyptic number.

38464631 is a deficient number, since it is larger than the sum of its proper divisors (1).

38464631 is an equidigital number, since it uses as much as digits as its factorization.

38464631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 38464631 is about 6201.9860528705. The cubic root of 38464631 is about 337.5622374477.

The spelling of 38464631 in words is "thirty-eight million, four hundred sixty-four thousand, six hundred thirty-one".