342981969 has 16 divisors (see below), whose sum is σ = 500981760. Its totient is φ = 206993360.

The previous prime is 342981967. The next prime is 342981997. The reversal of 342981969 is 969189243.

It is a cyclic number.

It is not a de Polignac number, because 342981969 - 2¹ = 342981967 is a prime.

It is a super-2 number, since 2×342981969² = 235273262118233922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342981967) 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, 13857 + ... + 29630.

It is an arithmetic number, because the mean of its divisors is an integer number (31311360).

Almost surely, 2^342981969 is an apocalyptic number.

It is an amenable number.

342981969 is a deficient number, since it is larger than the sum of its proper divisors (157999791).

342981969 is a wasteful number, since it uses less digits than its factorization.

342981969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43740.

The product of its digits is 839808, while the sum is 51.

The square root of 342981969 is about 18519.7723798107. The cubic root of 342981969 is about 699.9877337987.

The spelling of 342981969 in words is "three hundred forty-two million, nine hundred eighty-one thousand, nine hundred sixty-nine".