346045405 has 8 divisors (see below), whose sum is σ = 428649984. Its totient is φ = 267906000.

The previous prime is 346045397. The next prime is 346045411. The reversal of 346045405 is 504540643.

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

It is not a de Polignac number, because 346045405 - 2³ = 346045397 is a prime.

It is a super-2 number, since 2×346045405² = 239494844643228050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116121 + ... + 1116430.

It is an arithmetic number, because the mean of its divisors is an integer number (53581248).

Almost surely, 2^346045405 is an apocalyptic number.

It is an amenable number.

346045405 is a deficient number, since it is larger than the sum of its proper divisors (82604579).

346045405 is a wasteful number, since it uses less digits than its factorization.

346045405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232587.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 346045405 is about 18602.2956916613. The cubic root of 346045405 is about 702.0656027792.

The spelling of 346045405 in words is "three hundred forty-six million, forty-five thousand, four hundred five".