349026890 has 32 divisors (see below), whose sum is σ = 660960000. Its totient is φ = 132505408.

The previous prime is 349026877. The next prime is 349026901. The reversal of 349026890 is 98620943.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6911 + ... + 27309.

It is an arithmetic number, because the mean of its divisors is an integer number (20655000).

Almost surely, 2^349026890 is an apocalyptic number.

349026890 is a deficient number, since it is larger than the sum of its proper divisors (311933110).

349026890 is a wasteful number, since it uses less digits than its factorization.

349026890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20494.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 349026890 is about 18682.2613727568. The cubic root of 349026890 is about 704.0761434622.

The spelling of 349026890 in words is "three hundred forty-nine million, twenty-six thousand, eight hundred ninety".