38849970 has 16 divisors (see below), whose sum is σ = 93240000. Its totient is φ = 10359984.

The previous prime is 38849959. The next prime is 38849971. The reversal of 38849970 is 7994883.

It is not an unprimeable number, because it can be changed into a prime (38849971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647470 + ... + 647529.

It is an arithmetic number, because the mean of its divisors is an integer number (5827500).

Almost surely, 2^38849970 is an apocalyptic number.

38849970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38849970 is an abundant number, since it is smaller than the sum of its proper divisors (54390030).

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

38849970 is a wasteful number, since it uses less digits than its factorization.

38849970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295009.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 38849970 is about 6232.9744103437. The cubic root of 38849970 is about 338.6857278333.

The spelling of 38849970 in words is "thirty-eight million, eight hundred forty-nine thousand, nine hundred seventy".