426361421 has 8 divisors (see below), whose sum is σ = 429181440. Its totient is φ = 423550512.

The previous prime is 426361409. The next prime is 426361423. The reversal of 426361421 is 124163624.

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 426361421 - 2⁶ = 426361357 is a prime.

It is a super-2 number, since 2×426361421² = 363568122634278482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426361423) 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, 108731 + ... + 112583.

It is an arithmetic number, because the mean of its divisors is an integer number (53647680).

Almost surely, 2^426361421 is an apocalyptic number.

It is an amenable number.

426361421 is a deficient number, since it is larger than the sum of its proper divisors (2820019).

426361421 is a wasteful number, since it uses less digits than its factorization.

426361421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555.

The product of its digits is 6912, while the sum is 29.

The square root of 426361421 is about 20648.5210366263. The cubic root of 426361421 is about 752.6492507936.

The spelling of 426361421 in words is "four hundred twenty-six million, three hundred sixty-one thousand, four hundred twenty-one".