38421708 has 48 divisors (see below), whose sum is σ = 97203456. Its totient is φ = 11741760.

The previous prime is 38421703. The next prime is 38421727. The reversal of 38421708 is 80712483.

It is not an unprimeable number, because it can be changed into a prime (38421703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24673 + ... + 26183.

It is an arithmetic number, because the mean of its divisors is an integer number (2025072).

Almost surely, 2^38421708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38421708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48601728).

38421708 is an abundant number, since it is smaller than the sum of its proper divisors (58781748).

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

38421708 is a wasteful number, since it uses less digits than its factorization.

38421708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 38421708 is about 6198.5246631759. The cubic root of 38421708 is about 337.4366278819.

The spelling of 38421708 in words is "thirty-eight million, four hundred twenty-one thousand, seven hundred eight".