38907534 has 16 divisors (see below), whose sum is σ = 77954688. Its totient is φ = 12945912.

The previous prime is 38907499. The next prime is 38907571. The reversal of 38907534 is 43570983.

38907534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38907534² = 3027592403922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38907492 and 38907501.

It is a congruent number.

It is an unprimeable number.

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, 2002 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (4872168).

Almost surely, 2^38907534 is an apocalyptic number.

38907534 is an abundant number, since it is smaller than the sum of its proper divisors (39047154).

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

38907534 is a wasteful number, since it uses less digits than its factorization.

38907534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639.

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

The square root of 38907534 is about 6237.5904001465. The cubic root of 38907534 is about 338.8529221626.

The spelling of 38907534 in words is "thirty-eight million, nine hundred seven thousand, five hundred thirty-four".