18797962 has 8 divisors (see below), whose sum is σ = 28215396. Its totient is φ = 9392832.

The previous prime is 18797959. The next prime is 18797963. The reversal of 18797962 is 26979781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18757561 + 40401 = 4331^2 + 201^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18797963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4018 + ... + 7330.

Almost surely, 2^18797962 is an apocalyptic number.

18797962 is a deficient number, since it is larger than the sum of its proper divisors (9417434).

18797962 is a wasteful number, since it uses less digits than its factorization.

18797962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152.

The product of its digits is 381024, while the sum is 49.

The square root of 18797962 is about 4335.6616565410. The cubic root of 18797962 is about 265.8909704483.

The spelling of 18797962 in words is "eighteen million, seven hundred ninety-seven thousand, nine hundred sixty-two".