38841890 has 16 divisors (see below), whose sum is σ = 73595520. Its totient is φ = 14718960.

The previous prime is 38841877. The next prime is 38841911. The reversal of 38841890 is 9814883.

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, 102026 + ... + 102405.

It is an arithmetic number, because the mean of its divisors is an integer number (4599720).

Almost surely, 2^38841890 is an apocalyptic number.

38841890 is a deficient number, since it is larger than the sum of its proper divisors (34753630).

38841890 is a wasteful number, since it uses less digits than its factorization.

38841890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204457.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 38841890 is about 6232.3262109745. The cubic root of 38841890 is about 338.6622463015.

The spelling of 38841890 in words is "thirty-eight million, eight hundred forty-one thousand, eight hundred ninety".