18246797 has 12 divisors (see below), whose sum is σ = 20206620. Its totient is φ = 16418688.

The previous prime is 18246737. The next prime is 18246827. The reversal of 18246797 is 79764281.

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 1485961 = 4094^2 + 1219^2 .

It is not a de Polignac number, because 18246797 - 2¹² = 18242701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18246737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7979 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (1683885).

Almost surely, 2^18246797 is an apocalyptic number.

18246797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18246797 is a deficient number, since it is larger than the sum of its proper divisors (1959823).

18246797 is a wasteful number, since it uses less digits than its factorization.

18246797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2069 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 18246797 is about 4271.6269734142. The cubic root of 18246797 is about 263.2664679168.

The spelling of 18246797 in words is "eighteen million, two hundred forty-six thousand, seven hundred ninety-seven".