426432215 has 16 divisors (see below), whose sum is σ = 573328800. Its totient is φ = 301749120.

The previous prime is 426432203. The next prime is 426432221. The reversal of 426432215 is 512234624.

It is not a de Polignac number, because 426432215 - 2¹⁴ = 426415831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102740 + ... + 106809.

It is an arithmetic number, because the mean of its divisors is an integer number (35833050).

Almost surely, 2^426432215 is an apocalyptic number.

426432215 is a deficient number, since it is larger than the sum of its proper divisors (146896585).

426432215 is a wasteful number, since it uses less digits than its factorization.

426432215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209602.

The product of its digits is 11520, while the sum is 29.

The square root of 426432215 is about 20650.2352286844. The cubic root of 426432215 is about 752.6909056742.

Adding to 426432215 its reverse (512234624), we get a palindrome (938666839).

The spelling of 426432215 in words is "four hundred twenty-six million, four hundred thirty-two thousand, two hundred fifteen".