18970465 has 8 divisors (see below), whose sum is σ = 22819968. Its totient is φ = 15139440.

The previous prime is 18970459. The next prime is 18970489. The reversal of 18970465 is 56407981.

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

It is not a de Polignac number, because 18970465 - 2⁵ = 18970433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 6556.

It is an arithmetic number, because the mean of its divisors is an integer number (2852496).

Almost surely, 2^18970465 is an apocalyptic number.

It is an amenable number.

18970465 is a deficient number, since it is larger than the sum of its proper divisors (3849503).

18970465 is an equidigital number, since it uses as much as digits as its factorization.

18970465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 18970465 is about 4355.5097290673. The cubic root of 18970465 is about 266.7018278289.

The spelling of 18970465 in words is "eighteen million, nine hundred seventy thousand, four hundred sixty-five".