38424357 has 12 divisors (see below), whose sum is σ = 55564704. Its totient is φ = 25587240.

The previous prime is 38424349. The next prime is 38424359. The reversal of 38424357 is 75342483.

It is a happy number.

It is not a de Polignac number, because 38424357 - 2³ = 38424349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38424359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8632 + ... + 12302.

It is an arithmetic number, because the mean of its divisors is an integer number (4630392).

Almost surely, 2^38424357 is an apocalyptic number.

It is an amenable number.

38424357 is a deficient number, since it is larger than the sum of its proper divisors (17140347).

38424357 is a wasteful number, since it uses less digits than its factorization.

38424357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840 (or 4837 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 38424357 is about 6198.7383393720. The cubic root of 38424357 is about 337.4443826047. Note that the first 3 decimals are identical.

It can be divided in two parts, 38424 and 357, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38424357 in words is "thirty-eight million, four hundred twenty-four thousand, three hundred fifty-seven".