344420152 has 16 divisors (see below), whose sum is σ = 656375400. Its totient is φ = 169386720.

The previous prime is 344420123. The next prime is 344420159. The reversal of 344420152 is 251024443.

It is a happy number.

It is a super-2 number, since 2×344420152² = 237250482207406208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344420159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352402 + ... + 353377.

Almost surely, 2^344420152 is an apocalyptic number.

It is an amenable number.

344420152 is a deficient number, since it is larger than the sum of its proper divisors (311955248).

344420152 is a wasteful number, since it uses less digits than its factorization.

344420152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705846 (or 705842 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 344420152 is about 18558.5600734540. The cubic root of 344420152 is about 700.9647595266.

Adding to 344420152 its reverse (251024443), we get a palindrome (595444595).

The spelling of 344420152 in words is "three hundred forty-four million, four hundred twenty thousand, one hundred fifty-two".