38474399 has 4 divisors (see below), whose sum is σ = 38562480. Its totient is φ = 38386320.

The previous prime is 38474393. The next prime is 38474407. The reversal of 38474399 is 99347483.

38474399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99347483 = 317 ⋅313399.

It is a cyclic number.

It is not a de Polignac number, because 38474399 - 2⁸ = 38474143 is a prime.

It is a super-2 number, since 2×38474399² = 2960558756822402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38474393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43382 + ... + 44259.

It is an arithmetic number, because the mean of its divisors is an integer number (9640620).

Almost surely, 2^38474399 is an apocalyptic number.

38474399 is a deficient number, since it is larger than the sum of its proper divisors (88081).

38474399 is an equidigital number, since it uses as much as digits as its factorization.

38474399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88080.

The product of its digits is 653184, while the sum is 47.

The square root of 38474399 is about 6202.7734925596. The cubic root of 38474399 is about 337.5908094005.

The spelling of 38474399 in words is "thirty-eight million, four hundred seventy-four thousand, three hundred ninety-nine".