426126649 has 8 divisors (see below), whose sum is σ = 459236232. Its totient is φ = 393064320.

The previous prime is 426126647. The next prime is 426126677. The reversal of 426126649 is 946621624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9966649 + 416160000 = 3157^2 + 20400^2 .

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 426126649 - 2¹ = 426126647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426126647) 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, 8187 + ... + 30319.

It is an arithmetic number, because the mean of its divisors is an integer number (57404529).

Almost surely, 2^426126649 is an apocalyptic number.

It is an amenable number.

426126649 is a deficient number, since it is larger than the sum of its proper divisors (33109583).

426126649 is a wasteful number, since it uses less digits than its factorization.

426126649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23627.

The product of its digits is 124416, while the sum is 40.

The square root of 426126649 is about 20642.8352946004. The cubic root of 426126649 is about 752.5110789640.

The spelling of 426126649 in words is "four hundred twenty-six million, one hundred twenty-six thousand, six hundred forty-nine".