38089990 has 8 divisors (see below), whose sum is σ = 68562000. Its totient is φ = 15235992.

The previous prime is 38089951. The next prime is 38089991. The reversal of 38089990 is 9998083.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38089990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38089991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904490 + ... + 1904509.

It is an arithmetic number, because the mean of its divisors is an integer number (8570250).

Almost surely, 2^38089990 is an apocalyptic number.

38089990 is a deficient number, since it is larger than the sum of its proper divisors (30472010).

38089990 is a wasteful number, since it uses less digits than its factorization.

38089990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809006.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 38089990 is about 6171.7088395354. The cubic root of 38089990 is about 336.4627210803.

The spelling of 38089990 in words is "thirty-eight million, eighty-nine thousand, nine hundred ninety".