334448921 has 8 divisors (see below), whose sum is σ = 343254024. Its totient is φ = 325736320.

The previous prime is 334448903. The next prime is 334448923. The reversal of 334448921 is 129844433.

It can be written as a sum of positive squares in 4 ways, for example, as 26832400 + 307616521 = 5180^2 + 17539^2 .

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 334448921 - 2⁶ = 334448857 is a prime.

It is a super-2 number, since 2×334448921² = 223712161516128482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334448923) 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, 15770 + ... + 30291.

It is an arithmetic number, because the mean of its divisors is an integer number (42906753).

Almost surely, 2^334448921 is an apocalyptic number.

It is an amenable number.

334448921 is a deficient number, since it is larger than the sum of its proper divisors (8805103).

334448921 is a wasteful number, since it uses less digits than its factorization.

334448921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46251.

The product of its digits is 82944, while the sum is 38.

The square root of 334448921 is about 18287.9446904238. The cubic root of 334448921 is about 694.1339183247.

The spelling of 334448921 in words is "three hundred thirty-four million, four hundred forty-eight thousand, nine hundred twenty-one".