38881405 has 8 divisors (see below), whose sum is σ = 46719072. Its totient is φ = 31064208.

The previous prime is 38881399. The next prime is 38881411. The reversal of 38881405 is 50418883.

It is an interprime number because it is at equal distance from previous prime (38881399) and next prime (38881411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38881405 - 2¹³ = 38873213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (5839884).

Almost surely, 2^38881405 is an apocalyptic number.

It is an amenable number.

38881405 is a deficient number, since it is larger than the sum of its proper divisors (7837667).

38881405 is an equidigital number, since it uses as much as digits as its factorization.

38881405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 38881405 is about 6235.4955697202. The cubic root of 38881405 is about 338.7770510752. Note that the first 3 decimals are identical.

The spelling of 38881405 in words is "thirty-eight million, eight hundred eighty-one thousand, four hundred five".