38169930 has 32 divisors (see below), whose sum is σ = 96997824. Its totient is φ = 9579776.

The previous prime is 38169919. The next prime is 38169941. The reversal of 38169930 is 3996183.

It is an interprime number because it is at equal distance from previous prime (38169919) and next prime (38169941).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36912 + ... + 37931.

It is an arithmetic number, because the mean of its divisors is an integer number (3031182).

Almost surely, 2^38169930 is an apocalyptic number.

38169930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38169930 is an abundant number, since it is smaller than the sum of its proper divisors (58827894).

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

38169930 is a wasteful number, since it uses less digits than its factorization.

38169930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74870.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 38169930 is about 6178.1817713628. The cubic root of 38169930 is about 336.6979362954.

The spelling of 38169930 in words is "thirty-eight million, one hundred sixty-nine thousand, nine hundred thirty".