344213402 has 8 divisors (see below), whose sum is σ = 556037076. Its totient is φ = 158867712.

The previous prime is 344213357. The next prime is 344213411. The reversal of 344213402 is 204312443.

It can be written as a sum of positive squares in 2 ways, for example, as 312617761 + 31595641 = 17681^2 + 5621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×344213402² = 236965732232827208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6619463 + ... + 6619514.

Almost surely, 2^344213402 is an apocalyptic number.

344213402 is a deficient number, since it is larger than the sum of its proper divisors (211823674).

344213402 is a wasteful number, since it uses less digits than its factorization.

344213402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13238992.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344213402 is about 18552.9890314202. The cubic root of 344213402 is about 700.8244720787.

Adding to 344213402 its reverse (204312443), we get a palindrome (548525845).

The spelling of 344213402 in words is "three hundred forty-four million, two hundred thirteen thousand, four hundred two".