345476397 has 16 divisors (see below), whose sum is σ = 557407872. Its totient is φ = 185802240.

The previous prime is 345476393. The next prime is 345476413. The reversal of 345476397 is 793674543.

It is not a de Polignac number, because 345476397 - 2² = 345476393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345476393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483504 + ... + 484217.

It is an arithmetic number, because the mean of its divisors is an integer number (34837992).

Almost surely, 2^345476397 is an apocalyptic number.

It is an amenable number.

345476397 is a deficient number, since it is larger than the sum of its proper divisors (211931475).

345476397 is a wasteful number, since it uses less digits than its factorization.

345476397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967748.

The product of its digits is 1905120, while the sum is 48.

The square root of 345476397 is about 18586.9953731097. The cubic root of 345476397 is about 701.6805857684.

The spelling of 345476397 in words is "three hundred forty-five million, four hundred seventy-six thousand, three hundred ninety-seven".