426011621 has 8 divisors (see below), whose sum is σ = 498193344. Its totient is φ = 356660640.

The previous prime is 426011611. The next prime is 426011623. The reversal of 426011621 is 126110624.

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

It is not a de Polignac number, because 426011621 - 2²² = 421817317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426011623) 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, 707360 + ... + 707961.

It is an arithmetic number, because the mean of its divisors is an integer number (62274168).

Almost surely, 2^426011621 is an apocalyptic number.

It is an amenable number.

426011621 is a deficient number, since it is larger than the sum of its proper divisors (72181723).

426011621 is a wasteful number, since it uses less digits than its factorization.

426011621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415371.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 426011621 is about 20640.0489582753. The cubic root of 426011621 is about 752.4433622931.

The spelling of 426011621 in words is "four hundred twenty-six million, eleven thousand, six hundred twenty-one".