38719902 has 64 divisors (see below), whose sum is σ = 88252416. Its totient is φ = 11235840.

The previous prime is 38719883. The next prime is 38719907. The reversal of 38719902 is 20991783.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38719907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202627 + ... + 202817.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^38719902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38719902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44126208).

38719902 is an abundant number, since it is smaller than the sum of its proper divisors (49532514).

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

38719902 is a wasteful number, since it uses less digits than its factorization.

38719902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 38719902 is about 6222.5317998384. The cubic root of 38719902 is about 338.3073369064.

It can be divided in two parts, 38719 and 902, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 38719902 in words is "thirty-eight million, seven hundred nineteen thousand, nine hundred two".