426849427 has 4 divisors (see below), whose sum is σ = 438385936. Its totient is φ = 415312920.

The previous prime is 426849361. The next prime is 426849431. The reversal of 426849427 is 724948624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426849427 - 2⁷ = 426849299 is a prime.

It is a super-3 number, since 3×426849427³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426849727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5768199 + ... + 5768272.

It is an arithmetic number, because the mean of its divisors is an integer number (109596484).

Almost surely, 2^426849427 is an apocalyptic number.

426849427 is a deficient number, since it is larger than the sum of its proper divisors (11536509).

426849427 is a wasteful number, since it uses less digits than its factorization.

426849427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536508.

The product of its digits is 774144, while the sum is 46.

The square root of 426849427 is about 20660.3346294294. The cubic root of 426849427 is about 752.9362977973.

The spelling of 426849427 in words is "four hundred twenty-six million, eight hundred forty-nine thousand, four hundred twenty-seven".