38427390 has 24 divisors (see below), whose sum is σ = 99911448. Its totient is φ = 10247280.

The previous prime is 38427359. The next prime is 38427391. The reversal of 38427390 is 9372483.

38427390 is a `hidden beast` number, since 384 + 273 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38427391) 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, 213396 + ... + 213575.

It is an arithmetic number, because the mean of its divisors is an integer number (4162977).

Almost surely, 2^38427390 is an apocalyptic number.

38427390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38427390 is an abundant number, since it is smaller than the sum of its proper divisors (61484058).

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

38427390 is a wasteful number, since it uses less digits than its factorization.

38427390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426984 (or 426981 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 38427390 is about 6198.9829811026. The cubic root of 38427390 is about 337.4532610173.

The spelling of 38427390 in words is "thirty-eight million, four hundred twenty-seven thousand, three hundred ninety".