426339081 has 24 divisors (see below), whose sum is σ = 740841920. Its totient is φ = 230799456.

The previous prime is 426339071. The next prime is 426339083. The reversal of 426339081 is 180933624.

426339081 is a `hidden beast` number, since 4 + 263 + 390 + 8 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-426339081 is a prime.

It is a super-2 number, since 2×426339081² = 363530023975849122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426339083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176890 + ... + 179283.

Almost surely, 2^426339081 is an apocalyptic number.

It is an amenable number.

426339081 is a deficient number, since it is larger than the sum of its proper divisors (314502839).

426339081 is a wasteful number, since it uses less digits than its factorization.

426339081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356205 (or 356202 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 426339081 is about 20647.9800706994. The cubic root of 426339081 is about 752.6361050780.

The spelling of 426339081 in words is "four hundred twenty-six million, three hundred thirty-nine thousand, eighty-one".