426229491 has 16 divisors (see below), whose sum is σ = 627899904. Its totient is φ = 255809664.

The previous prime is 426229421. The next prime is 426229519. The reversal of 426229491 is 194922624.

It is not a de Polignac number, because 426229491 - 2¹⁴ = 426213107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426229421) 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, 180511 + ... + 182856.

It is an arithmetic number, because the mean of its divisors is an integer number (39243744).

Almost surely, 2^426229491 is an apocalyptic number.

426229491 is a deficient number, since it is larger than the sum of its proper divisors (201670413).

426229491 is a wasteful number, since it uses less digits than its factorization.

426229491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363410.

The product of its digits is 62208, while the sum is 39.

The square root of 426229491 is about 20645.3261296595. The cubic root of 426229491 is about 752.5716114525.

The spelling of 426229491 in words is "four hundred twenty-six million, two hundred twenty-nine thousand, four hundred ninety-one".