18959962 has 12 divisors (see below), whose sum is σ = 33083370. Its totient is φ = 8125656.

The previous prime is 18959869. The next prime is 18959977. The reversal of 18959962 is 26995981.

It can be written as a sum of positive squares in only one way, i.e., 11621281 + 7338681 = 3409^2 + 2709^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96637 + ... + 96832.

Almost surely, 2^18959962 is an apocalyptic number.

18959962 is a deficient number, since it is larger than the sum of its proper divisors (14123408).

18959962 is a wasteful number, since it uses less digits than its factorization.

18959962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193485 (or 193478 counting only the distinct ones).

The product of its digits is 349920, while the sum is 49.

The square root of 18959962 is about 4354.3038479187. The cubic root of 18959962 is about 266.6525989107.

The spelling of 18959962 in words is "eighteen million, nine hundred fifty-nine thousand, nine hundred sixty-two".