426892399 has 16 divisors (see below), whose sum is σ = 465454080. Its totient is φ = 390186720.

The previous prime is 426892387. The next prime is 426892409. The reversal of 426892399 is 993298624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 426892399 - 2²⁷ = 292674671 is a prime.

It is a super-3 number, since 3×426892399³ (a number of 27 digits) contains 333 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 (426893399) 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, 60037 + ... + 66769.

It is an arithmetic number, because the mean of its divisors is an integer number (29090880).

Almost surely, 2^426892399 is an apocalyptic number.

426892399 is a deficient number, since it is larger than the sum of its proper divisors (38561681).

426892399 is a wasteful number, since it uses less digits than its factorization.

426892399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870.

The product of its digits is 1679616, while the sum is 52.

The square root of 426892399 is about 20661.3745670514. The cubic root of 426892399 is about 752.9615636099.

The spelling of 426892399 in words is "four hundred twenty-six million, eight hundred ninety-two thousand, three hundred ninety-nine".