38824290 has 24 divisors (see below), whose sum is σ = 100943388. Its totient is φ = 10353120.

The previous prime is 38824241. The next prime is 38824297. The reversal of 38824290 is 9242883.

It can be written as a sum of positive squares in 2 ways, for example, as 36324729 + 2499561 = 6027^2 + 1581^2 .

It is not an unprimeable number, because it can be changed into a prime (38824297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215601 + ... + 215780.

Almost surely, 2^38824290 is an apocalyptic number.

38824290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38824290 is an abundant number, since it is smaller than the sum of its proper divisors (62119098).

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

38824290 is a wasteful number, since it uses less digits than its factorization.

38824290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431394 (or 431391 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38824290 is about 6230.9140581459. The cubic root of 38824290 is about 338.6110871361.

The spelling of 38824290 in words is "thirty-eight million, eight hundred twenty-four thousand, two hundred ninety".