38081390 has 8 divisors (see below), whose sum is σ = 68546520. Its totient is φ = 15232552.

The previous prime is 38081387. The next prime is 38081419. The reversal of 38081390 is 9318083.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904060 + ... + 1904079.

It is an arithmetic number, because the mean of its divisors is an integer number (8568315).

Almost surely, 2^38081390 is an apocalyptic number.

38081390 is a deficient number, since it is larger than the sum of its proper divisors (30465130).

38081390 is a wasteful number, since it uses less digits than its factorization.

38081390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808146.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 38081390 is about 6171.0120725858. The cubic root of 38081390 is about 336.4373968661.

The spelling of 38081390 in words is "thirty-eight million, eighty-one thousand, three hundred ninety".