38890850 has 12 divisors (see below), whose sum is σ = 72337074. Its totient is φ = 15556320.

The previous prime is 38890807. The next prime is 38890879. The reversal of 38890850 is 5809883.

It can be written as a sum of positive squares in 3 ways, for example, as 14753281 + 24137569 = 3841^2 + 4913^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38890798 and 38890807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388859 + ... + 388958.

Almost surely, 2^38890850 is an apocalyptic number.

38890850 is a deficient number, since it is larger than the sum of its proper divisors (33446224).

38890850 is a wasteful number, since it uses less digits than its factorization.

38890850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777829 (or 777824 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 38890850 is about 6236.2528813383. The cubic root of 38890850 is about 338.8044805555.

The spelling of 38890850 in words is "thirty-eight million, eight hundred ninety thousand, eight hundred fifty".