182421897 has 16 divisors (see below), whose sum is σ = 278689152. Its totient is φ = 103973760.

The previous prime is 182421871. The next prime is 182421913. The reversal of 182421897 is 798124281.

It is not a de Polignac number, because 182421897 - 2¹⁰ = 182420873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (182421847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (17418072).

Almost surely, 2^182421897 is an apocalyptic number.

It is an amenable number.

182421897 is a deficient number, since it is larger than the sum of its proper divisors (96267255).

182421897 is a wasteful number, since it uses less digits than its factorization.

182421897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288.

The product of its digits is 64512, while the sum is 42.

The square root of 182421897 is about 13506.3650550398. The cubic root of 182421897 is about 567.1426688257.

The spelling of 182421897 in words is "one hundred eighty-two million, four hundred twenty-one thousand, eight hundred ninety-seven".