18969682 has 8 divisors (see below), whose sum is σ = 28636236. Its totient is φ = 9424272.

The previous prime is 18969679. The next prime is 18969701. The reversal of 18969682 is 28696981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18740241 + 229441 = 4329^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18969682² = 719697670362248, which contains 22 as substring.

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, 29893 + ... + 30520.

Almost surely, 2^18969682 is an apocalyptic number.

18969682 is a deficient number, since it is larger than the sum of its proper divisors (9666554).

18969682 is a wasteful number, since it uses less digits than its factorization.

18969682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60572.

The product of its digits is 373248, while the sum is 49.

The square root of 18969682 is about 4355.4198419900. The cubic root of 18969682 is about 266.6981584336.

The spelling of 18969682 in words is "eighteen million, nine hundred sixty-nine thousand, six hundred eighty-two".