38957430 has 16 divisors (see below), whose sum is σ = 93497904. Its totient is φ = 10388640.

The previous prime is 38957419. The next prime is 38957437. The reversal of 38957430 is 3475983.

38957430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38957437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649261 + ... + 649320.

It is an arithmetic number, because the mean of its divisors is an integer number (5843619).

Almost surely, 2^38957430 is an apocalyptic number.

38957430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38957430 is an abundant number, since it is smaller than the sum of its proper divisors (54540474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38957430 is a wasteful number, since it uses less digits than its factorization.

38957430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298591.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 38957430 is about 6241.5887400565. The cubic root of 38957430 is about 338.9977114559.

It can be divided in two parts, 3895 and 7430, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 38957430 in words is "thirty-eight million, nine hundred fifty-seven thousand, four hundred thirty".