342979757 has 4 divisors (see below), whose sum is σ = 345033696. Its totient is φ = 340925820.

The previous prime is 342979669. The next prime is 342979783. The reversal of 342979757 is 757979243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342979757 - 2¹⁰ = 342978733 is a prime.

It is a super-2 number, since 2×342979757² = 235270227423558098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342979699 and 342979708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342979457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026719 + ... + 1027052.

It is an arithmetic number, because the mean of its divisors is an integer number (86258424).

Almost surely, 2^342979757 is an apocalyptic number.

It is an amenable number.

342979757 is a deficient number, since it is larger than the sum of its proper divisors (2053939).

342979757 is a wasteful number, since it uses less digits than its factorization.

342979757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053938.

The product of its digits is 3333960, while the sum is 53.

The square root of 342979757 is about 18519.7126597580. The cubic root of 342979757 is about 699.9862289808.

The spelling of 342979757 in words is "three hundred forty-two million, nine hundred seventy-nine thousand, seven hundred fifty-seven".