18983962 has 4 divisors (see below), whose sum is σ = 28475946. Its totient is φ = 9491980.

The previous prime is 18983957. The next prime is 18983963. The reversal of 18983962 is 26938981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 7901721 = 3329^2 + 2811^2 .

It is not an unprimeable number, because it can be changed into a prime (18983963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745989 + ... + 4745992.

Almost surely, 2^18983962 is an apocalyptic number.

18983962 is a deficient number, since it is larger than the sum of its proper divisors (9491984).

18983962 is an equidigital number, since it uses as much as digits as its factorization.

18983962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491983.

The product of its digits is 186624, while the sum is 46.

The square root of 18983962 is about 4357.0588703849. The cubic root of 18983962 is about 266.7650633412.

The spelling of 18983962 in words is "eighteen million, nine hundred eighty-three thousand, nine hundred sixty-two".