38400502 has 8 divisors (see below), whose sum is σ = 65829456. Its totient is φ = 16457352.

The previous prime is 38400491. The next prime is 38400511. The reversal of 38400502 is 20500483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371433 + ... + 1371460.

It is an arithmetic number, because the mean of its divisors is an integer number (8228682).

Almost surely, 2^38400502 is an apocalyptic number.

38400502 is a deficient number, since it is larger than the sum of its proper divisors (27428954).

38400502 is a wasteful number, since it uses less digits than its factorization.

38400502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742902.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 38400502 is about 6196.8138587503. The cubic root of 38400502 is about 337.3745362643.

Adding to 38400502 its reverse (20500483), we get a palindrome (58900985).

The spelling of 38400502 in words is "thirty-eight million, four hundred thousand, five hundred two".