342953990 has 32 divisors (see below), whose sum is σ = 662087520. Its totient is φ = 127505664.

The previous prime is 342953987. The next prime is 342953993. The reversal of 342953990 is 99359243.

It is an interprime number because it is at equal distance from previous prime (342953987) and next prime (342953993).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342953993) 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, 6959 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (20690235).

Almost surely, 2^342953990 is an apocalyptic number.

342953990 is a deficient number, since it is larger than the sum of its proper divisors (319133530).

342953990 is a wasteful number, since it uses less digits than its factorization.

342953990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34136.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 342953990 is about 18519.0169825507. The cubic root of 342953990 is about 699.9686992807.

The spelling of 342953990 in words is "three hundred forty-two million, nine hundred fifty-three thousand, nine hundred ninety".