334452421 has 6 divisors (see below), whose sum is σ = 352982022. Its totient is φ = 316849320.

The previous prime is 334452413. The next prime is 334452427. The reversal of 334452421 is 124254433.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 296321796 + 38130625 = 17214^2 + 6175^2 .

It is not a de Polignac number, because 334452421 - 2³ = 334452413 is a prime.

It is a super-2 number, since 2×334452421² = 223716843825522482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 334452421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334452427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462870 + ... + 463591.

It is an arithmetic number, because the mean of its divisors is an integer number (58830337).

Almost surely, 2^334452421 is an apocalyptic number.

It is an amenable number.

334452421 is a deficient number, since it is larger than the sum of its proper divisors (18529601).

334452421 is an equidigital number, since it uses as much as digits as its factorization.

334452421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926499 (or 926480 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 334452421 is about 18288.0403816265. The cubic root of 334452421 is about 694.1363396813.

The spelling of 334452421 in words is "three hundred thirty-four million, four hundred fifty-two thousand, four hundred twenty-one".