38940740 has 24 divisors (see below), whose sum is σ = 82424832. Its totient is φ = 15452640.

The previous prime is 38940739. The next prime is 38940773. The reversal of 38940740 is 4704983.

It is a self number, because there is not a number n which added to its sum of digits gives 38940740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5126 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (3434368).

Almost surely, 2^38940740 is an apocalyptic number.

It is an amenable number.

38940740 is an abundant number, since it is smaller than the sum of its proper divisors (43484092).

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

38940740 is a wasteful number, since it uses less digits than its factorization.

38940740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467 (or 15465 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 38940740 is about 6240.2515974919. The cubic root of 38940740 is about 338.9492938201.

The spelling of 38940740 in words is "thirty-eight million, nine hundred forty thousand, seven hundred forty".