426246431 has 12 divisors (see below), whose sum is σ = 469040712. Its totient is φ = 385060848.

The previous prime is 426246427. The next prime is 426246439. The reversal of 426246431 is 134642624.

It is not a de Polignac number, because 426246431 - 2² = 426246427 is a prime.

It is a super-2 number, since 2×426246431² = 363372039880475522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426246439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21296 + ... + 36138.

It is an arithmetic number, because the mean of its divisors is an integer number (39086726).

Almost surely, 2^426246431 is an apocalyptic number.

426246431 is a deficient number, since it is larger than the sum of its proper divisors (42794281).

426246431 is a wasteful number, since it uses less digits than its factorization.

426246431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14950 (or 14903 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 426246431 is about 20645.7363879325. The cubic root of 426246431 is about 752.5815813510.

The spelling of 426246431 in words is "four hundred twenty-six million, two hundred forty-six thousand, four hundred thirty-one".