18940796 has 24 divisors (see below), whose sum is σ = 39876480. Its totient is φ = 7690032.

The previous prime is 18940793. The next prime is 18940841. The reversal of 18940796 is 69704981.

It is a super-2 number, since 2×18940796² = 717507506227232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18940793) 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, 17270 + ... + 18333.

It is an arithmetic number, because the mean of its divisors is an integer number (1661520).

Almost surely, 2^18940796 is an apocalyptic number.

It is an amenable number.

18940796 is an abundant number, since it is smaller than the sum of its proper divisors (20935684).

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

18940796 is a wasteful number, since it uses less digits than its factorization.

18940796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35633 (or 35631 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 18940796 is about 4352.1024804110. The cubic root of 18940796 is about 266.5627185135.

The spelling of 18940796 in words is "eighteen million, nine hundred forty thousand, seven hundred ninety-six".