38707998 has 32 divisors (see below), whose sum is σ = 90537216. Its totient is φ = 10801728.

The previous prime is 38707987. The next prime is 38708023. The reversal of 38707998 is 89970783.

It is a happy number.

38707998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38707998.

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 15 ways as a sum of consecutive naturals, for example, 8911 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (2829288).

Almost surely, 2^38707998 is an apocalyptic number.

38707998 is an abundant number, since it is smaller than the sum of its proper divisors (51829218).

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

38707998 is a wasteful number, since it uses less digits than its factorization.

38707998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21488.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 38707998 is about 6221.5752024708. The cubic root of 38707998 is about 338.2726637529.

The spelling of 38707998 in words is "thirty-eight million, seven hundred seven thousand, nine hundred ninety-eight".