18981062 has 8 divisors (see below), whose sum is σ = 28723896. Its totient is φ = 9406432.

The previous prime is 18981047. The next prime is 18981077. The reversal of 18981062 is 26018981.

It is an interprime number because it is at equal distance from previous prime (18981047) and next prime (18981077).

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

It is a congruent number.

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, 41768 + ... + 42219.

It is an arithmetic number, because the mean of its divisors is an integer number (3590487).

Almost surely, 2^18981062 is an apocalyptic number.

18981062 is a deficient number, since it is larger than the sum of its proper divisors (9742834).

18981062 is a wasteful number, since it uses less digits than its factorization.

18981062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84102.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 18981062 is about 4356.7260643745. The cubic root of 18981062 is about 266.7514789257.

The spelling of 18981062 in words is "eighteen million, nine hundred eighty-one thousand, sixty-two".