38873431 has 2 divisors, whose sum is σ = 38873432. Its totient is φ = 38873430.

The previous prime is 38873413. The next prime is 38873447. The reversal of 38873431 is 13437883.

Together with previous prime (38873413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38873431 - 2⁵ = 38873399 is a prime.

It is a super-2 number, since 2×38873431² = 3022287275423522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38873491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19436715 + 19436716.

It is an arithmetic number, because the mean of its divisors is an integer number (19436716).

Almost surely, 2^38873431 is an apocalyptic number.

38873431 is a deficient number, since it is larger than the sum of its proper divisors (1).

38873431 is an equidigital number, since it uses as much as digits as its factorization.

38873431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 38873431 is about 6234.8561330635. The cubic root of 38873431 is about 338.7538901075.

It can be divided in two parts, 38873 and 431, that added together give a cube (39304 = 34³).

The spelling of 38873431 in words is "thirty-eight million, eight hundred seventy-three thousand, four hundred thirty-one".