38902438 has 8 divisors (see below), whose sum is σ = 58434840. Its totient is φ = 19424160.

The previous prime is 38902403. The next prime is 38902439. The reversal of 38902438 is 83420983.

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

It is a junction number, because it is equal to n+sod(n) for n = 38902397 and 38902406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38902439) 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, 11683 + ... + 14638.

It is an arithmetic number, because the mean of its divisors is an integer number (7304355).

Almost surely, 2^38902438 is an apocalyptic number.

38902438 is a deficient number, since it is larger than the sum of its proper divisors (19532402).

38902438 is a wasteful number, since it uses less digits than its factorization.

38902438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27062.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 38902438 is about 6237.1818956962. The cubic root of 38902438 is about 338.8381275140.

It can be divided in two parts, 38902 and 438, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 38902438 in words is "thirty-eight million, nine hundred two thousand, four hundred thirty-eight".