38847902 has 4 divisors (see below), whose sum is σ = 58271856. Its totient is φ = 19423950.

The previous prime is 38847889. The next prime is 38847937. The reversal of 38847902 is 20974883.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38847902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9711974 + ... + 9711977.

It is an arithmetic number, because the mean of its divisors is an integer number (14567964).

Almost surely, 2^38847902 is an apocalyptic number.

38847902 is a deficient number, since it is larger than the sum of its proper divisors (19423954).

38847902 is a wasteful number, since it uses less digits than its factorization.

38847902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423953.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38847902 is about 6232.8085162309. The cubic root of 38847902 is about 338.6797182662.

The spelling of 38847902 in words is "thirty-eight million, eight hundred forty-seven thousand, nine hundred two".