38491796 has 24 divisors (see below), whose sum is σ = 81036480. Its totient is φ = 15628032.

The previous prime is 38491763. The next prime is 38491799. The reversal of 38491796 is 69719483.

It is a self number, because there is not a number n which added to its sum of digits gives 38491796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38491799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35645 + ... + 36708.

It is an arithmetic number, because the mean of its divisors is an integer number (3376520).

Almost surely, 2^38491796 is an apocalyptic number.

It is an amenable number.

38491796 is an abundant number, since it is smaller than the sum of its proper divisors (42544684).

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

38491796 is a wasteful number, since it uses less digits than its factorization.

38491796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72383 (or 72381 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 38491796 is about 6204.1756906135. The cubic root of 38491796 is about 337.6416846359.

The spelling of 38491796 in words is "thirty-eight million, four hundred ninety-one thousand, seven hundred ninety-six".