426925690 has 8 divisors (see below), whose sum is σ = 768466260. Its totient is φ = 170770272.

The previous prime is 426925669. The next prime is 426925699. The reversal of 426925690 is 96529624.

It can be written as a sum of positive squares in 2 ways, for example, as 423824569 + 3101121 = 20587^2 + 1761^2 .

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

It is a super-2 number, since 2×426925690² = 364531089563952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426925699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21346275 + ... + 21346294.

Almost surely, 2^426925690 is an apocalyptic number.

426925690 is a deficient number, since it is larger than the sum of its proper divisors (341540570).

426925690 is a wasteful number, since it uses less digits than its factorization.

426925690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42692576.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 426925690 is about 20662.1801850628. The cubic root of 426925690 is about 752.9811362172.

The spelling of 426925690 in words is "four hundred twenty-six million, nine hundred twenty-five thousand, six hundred ninety".