426169739 has 8 divisors (see below), whose sum is σ = 428067840. Its totient is φ = 424276776.

The previous prime is 426169721. The next prime is 426169759. The reversal of 426169739 is 937961624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426169739 - 2⁸ = 426169483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426169693 and 426169702.

It is not an unprimeable number, because it can be changed into a prime (426169759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285854 + ... + 287340.

It is an arithmetic number, because the mean of its divisors is an integer number (53508480).

Almost surely, 2^426169739 is an apocalyptic number.

426169739 is a deficient number, since it is larger than the sum of its proper divisors (1898101).

426169739 is a wasteful number, since it uses less digits than its factorization.

426169739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its digits is 489888, while the sum is 47.

The square root of 426169739 is about 20643.8789717437. The cubic root of 426169739 is about 752.5364427924.

The spelling of 426169739 in words is "four hundred twenty-six million, one hundred sixty-nine thousand, seven hundred thirty-nine".