345979499 has 4 divisors (see below), whose sum is σ = 357140160. Its totient is φ = 334818840.

The previous prime is 345979463. The next prime is 345979511. The reversal of 345979499 is 994979543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994979543 = 37 ⋅26891339.

It is a cyclic number.

It is not a de Polignac number, because 345979499 - 2⁸ = 345979243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345979199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580284 + ... + 5580345.

It is an arithmetic number, because the mean of its divisors is an integer number (89285040).

Almost surely, 2^345979499 is an apocalyptic number.

345979499 is a deficient number, since it is larger than the sum of its proper divisors (11160661).

345979499 is a wasteful number, since it uses less digits than its factorization.

345979499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160660.

The product of its digits is 11022480, while the sum is 59.

The square root of 345979499 is about 18600.5241592811. The cubic root of 345979499 is about 702.0210293671.

The spelling of 345979499 in words is "three hundred forty-five million, nine hundred seventy-nine thousand, four hundred ninety-nine".