426246621 has 32 divisors (see below), whose sum is σ = 602173440. Its totient is φ = 267820800.

The previous prime is 426246607. The next prime is 426246677. The reversal of 426246621 is 126642624.

It is not a de Polignac number, because 426246621 - 2¹¹ = 426244573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426246221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718501 + ... + 719093.

It is an arithmetic number, because the mean of its divisors is an integer number (18817920).

Almost surely, 2^426246621 is an apocalyptic number.

It is an amenable number.

426246621 is a deficient number, since it is larger than the sum of its proper divisors (175926819).

426246621 is a wasteful number, since it uses less digits than its factorization.

426246621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its digits is 27648, while the sum is 33.

The square root of 426246621 is about 20645.7409893663. The cubic root of 426246621 is about 752.5816931724.

The spelling of 426246621 in words is "four hundred twenty-six million, two hundred forty-six thousand, six hundred twenty-one".