38883890 has 8 divisors (see below), whose sum is σ = 69991020. Its totient is φ = 15553552.

The previous prime is 38883877. The next prime is 38883953. The reversal of 38883890 is 9838883.

It can be written as a sum of positive squares in 2 ways, for example, as 32160241 + 6723649 = 5671^2 + 2593^2 .

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

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, 1944185 + ... + 1944204.

Almost surely, 2^38883890 is an apocalyptic number.

38883890 is a deficient number, since it is larger than the sum of its proper divisors (31107130).

38883890 is a wasteful number, since it uses less digits than its factorization.

38883890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888396.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 38883890 is about 6235.6948289665. The cubic root of 38883890 is about 338.7842682616.

The spelling of 38883890 in words is "thirty-eight million, eight hundred eighty-three thousand, eight hundred ninety".