38851406 has 24 divisors (see below), whose sum is σ = 65803080. Its totient is φ = 17178480.

The previous prime is 38851391. The next prime is 38851427. The reversal of 38851406 is 60415883.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6785 + ... + 11123.

It is an arithmetic number, because the mean of its divisors is an integer number (2741795).

Almost surely, 2^38851406 is an apocalyptic number.

38851406 is a deficient number, since it is larger than the sum of its proper divisors (26951674).

38851406 is a wasteful number, since it uses less digits than its factorization.

38851406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4389 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 38851406 is about 6233.0896030781. The cubic root of 38851406 is about 338.6899006955.

The spelling of 38851406 in words is "thirty-eight million, eight hundred fifty-one thousand, four hundred six".