38790450 has 36 divisors (see below), whose sum is σ = 104218218. Its totient is φ = 10344000.

The previous prime is 38790439. The next prime is 38790497. The reversal of 38790450 is 5409783.

It can be written as a sum of positive squares in 3 ways, for example, as 19421649 + 19368801 = 4407^2 + 4401^2 .

It is a super-2 number, since 2×38790450² = 3009398022405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42651 + ... + 43550.

Almost surely, 2^38790450 is an apocalyptic number.

38790450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38790450 is an abundant number, since it is smaller than the sum of its proper divisors (65427768).

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

38790450 is a wasteful number, since it uses less digits than its factorization.

38790450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86219 (or 86211 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38790450 is about 6228.1979737320. The cubic root of 38790450 is about 338.5126785541.

The spelling of 38790450 in words is "thirty-eight million, seven hundred ninety thousand, four hundred fifty".