38849806 has 12 divisors (see below), whose sum is σ = 60874632. Its totient is φ = 18560124.

The previous prime is 38849791. The next prime is 38849827. The reversal of 38849806 is 60894883.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 41815 + ... + 42733.

It is an arithmetic number, because the mean of its divisors is an integer number (5072886).

Almost surely, 2^38849806 is an apocalyptic number.

38849806 is a deficient number, since it is larger than the sum of its proper divisors (22024826).

38849806 is an frugal number, since it uses more digits than its factorization.

38849806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 38849806 is about 6232.9612544921. The cubic root of 38849806 is about 338.6852512604.

Multiplying 38849806 by its sum of digits (46), we get a square (1787091076 = 42274²).

38849806 divided by its sum of digits (46) gives a square (844561 = 919²).

The spelling of 38849806 in words is "thirty-eight million, eight hundred forty-nine thousand, eight hundred six".