38159740 has 12 divisors (see below), whose sum is σ = 80135496. Its totient is φ = 15263888.

The previous prime is 38159717. The next prime is 38159741. The reversal of 38159740 is 4795183.

It is a self number, because there is not a number n which added to its sum of digits gives 38159740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38159741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953974 + ... + 954013.

It is an arithmetic number, because the mean of its divisors is an integer number (6677958).

Almost surely, 2^38159740 is an apocalyptic number.

It is an amenable number.

38159740 is an abundant number, since it is smaller than the sum of its proper divisors (41975756).

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

38159740 is a wasteful number, since it uses less digits than its factorization.

38159740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907996 (or 1907994 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 38159740 is about 6177.3570400293. The cubic root of 38159740 is about 336.6679715446.

The spelling of 38159740 in words is "thirty-eight million, one hundred fifty-nine thousand, seven hundred forty".