38857802 has 4 divisors (see below), whose sum is σ = 58286706. Its totient is φ = 19428900.

The previous prime is 38857783. The next prime is 38857811. The reversal of 38857802 is 20875883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24196561 + 14661241 = 4919^2 + 3829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38857802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9714449 + ... + 9714452.

Almost surely, 2^38857802 is an apocalyptic number.

38857802 is a deficient number, since it is larger than the sum of its proper divisors (19428904).

38857802 is a wasteful number, since it uses less digits than its factorization.

38857802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428903.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 38857802 is about 6233.6026501534. The cubic root of 38857802 is about 338.7084855377.

The spelling of 38857802 in words is "thirty-eight million, eight hundred fifty-seven thousand, eight hundred two".