345002890 has 16 divisors (see below), whose sum is σ = 621250560. Its totient is φ = 137946640.

The previous prime is 345002887. The next prime is 345002897. The reversal of 345002890 is 98200543.

It is not an unprimeable number, because it can be changed into a prime (345002897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28455 + ... + 38725.

It is an arithmetic number, because the mean of its divisors is an integer number (38828160).

Almost surely, 2^345002890 is an apocalyptic number.

345002890 is a deficient number, since it is larger than the sum of its proper divisors (276247670).

345002890 is a wasteful number, since it uses less digits than its factorization.

345002890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 345002890 is about 18574.2534170286. The cubic root of 345002890 is about 701.3598667255.

The spelling of 345002890 in words is "three hundred forty-five million, two thousand, eight hundred ninety".