427246621 has 8 divisors (see below), whose sum is σ = 437923584. Its totient is φ = 416666640.

The previous prime is 427246607. The next prime is 427246627. The reversal of 427246621 is 126642724.

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 427246621 - 2⁹ = 427246109 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 (427246627) 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, 15285 + ... + 32986.

It is an arithmetic number, because the mean of its divisors is an integer number (54740448).

Almost surely, 2^427246621 is an apocalyptic number.

It is an amenable number.

427246621 is a deficient number, since it is larger than the sum of its proper divisors (10676963).

427246621 is a wasteful number, since it uses less digits than its factorization.

427246621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48491.

The product of its digits is 32256, while the sum is 34.

The square root of 427246621 is about 20669.9448717214. The cubic root of 427246621 is about 753.1697673750.

The spelling of 427246621 in words is "four hundred twenty-seven million, two hundred forty-six thousand, six hundred twenty-one".