349156988 has 12 divisors (see below), whose sum is σ = 611161152. Its totient is φ = 174539520.

The previous prime is 349156963. The next prime is 349156993. The reversal of 349156988 is 889651943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21653 + ... + 34163.

It is an arithmetic number, because the mean of its divisors is an integer number (50930096).

Almost surely, 2^349156988 is an apocalyptic number.

It is an amenable number.

349156988 is a deficient number, since it is larger than the sum of its proper divisors (262004164).

349156988 is a wasteful number, since it uses less digits than its factorization.

349156988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19492 (or 19490 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 349156988 is about 18685.7429073612. The cubic root of 349156988 is about 704.1636128637.

The spelling of 349156988 in words is "three hundred forty-nine million, one hundred fifty-six thousand, nine hundred eighty-eight".