38140836 has 12 divisors (see below), whose sum is σ = 88995312. Its totient is φ = 12713608.

The previous prime is 38140813. The next prime is 38140841. The reversal of 38140836 is 63804183.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38140797 and 38140806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589190 + ... + 1589213.

It is an arithmetic number, because the mean of its divisors is an integer number (7416276).

Almost surely, 2^38140836 is an apocalyptic number.

It is an amenable number.

38140836 is an abundant number, since it is smaller than the sum of its proper divisors (50854476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38140836 is a wasteful number, since it uses less digits than its factorization.

38140836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178410 (or 3178408 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 38140836 is about 6175.8267462745. The cubic root of 38140836 is about 336.6123682432.

The spelling of 38140836 in words is "thirty-eight million, one hundred forty thousand, eight hundred thirty-six".