345031406 has 8 divisors (see below), whose sum is σ = 518505384. Its totient is φ = 172196280.

The previous prime is 345031399. The next prime is 345031411. The reversal of 345031406 is 604130543.

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

It is a super-2 number, since 2×345031406² = 238093342252673672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158360 + ... + 160523.

It is an arithmetic number, because the mean of its divisors is an integer number (64813173).

Almost surely, 2^345031406 is an apocalyptic number.

345031406 is a deficient number, since it is larger than the sum of its proper divisors (173473978).

345031406 is a wasteful number, since it uses less digits than its factorization.

345031406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319426.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 345031406 is about 18575.0210228683. The cubic root of 345031406 is about 701.3791896815.

Adding to 345031406 its reverse (604130543), we get a palindrome (949161949).

The spelling of 345031406 in words is "three hundred forty-five million, thirty-one thousand, four hundred six".