18970934 has 8 divisors (see below), whose sum is σ = 28543368. Its totient is φ = 9456480.

The previous prime is 18970933. The next prime is 18970937. The reversal of 18970934 is 43907981.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18970891 and 18970900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18970933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13667 + ... + 14990.

It is an arithmetic number, because the mean of its divisors is an integer number (3567921).

Almost surely, 2^18970934 is an apocalyptic number.

18970934 is a deficient number, since it is larger than the sum of its proper divisors (9572434).

18970934 is a wasteful number, since it uses less digits than its factorization.

18970934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28990.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 18970934 is about 4355.5635685867. The cubic root of 18970934 is about 266.7040256687.

The spelling of 18970934 in words is "eighteen million, nine hundred seventy thousand, nine hundred thirty-four".