38990226 has 32 divisors (see below), whose sum is σ = 85370688. Its totient is φ = 11773440.

The previous prime is 38990183. The next prime is 38990233. The reversal of 38990226 is 62209983.

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, 21366 + ... + 23118.

It is an arithmetic number, because the mean of its divisors is an integer number (2667834).

Almost surely, 2^38990226 is an apocalyptic number.

38990226 is an abundant number, since it is smaller than the sum of its proper divisors (46380462).

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

38990226 is a wasteful number, since it uses less digits than its factorization.

38990226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 38990226 is about 6244.2154030751. The cubic root of 38990226 is about 339.0928122758.

It can be divided in two parts, 3899022 and 6, that added together give a triangular number (3899028 = T₂₇₉₂).

The spelling of 38990226 in words is "thirty-eight million, nine hundred ninety thousand, two hundred twenty-six".