349309080 has 48 divisors (see below), whose sum is σ = 1135255680. Its totient is φ = 93148992.

The previous prime is 349309067. The next prime is 349309099. The reversal of 349309080 is 80903943.

349309080 is a `hidden beast` number, since 3 + 493 + 0 + 90 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484792 + ... + 485511.

It is an arithmetic number, because the mean of its divisors is an integer number (23651160).

Almost surely, 2^349309080 is an apocalyptic number.

349309080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349309080 is an abundant number, since it is smaller than the sum of its proper divisors (785946600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349309080 is a wasteful number, since it uses less digits than its factorization.

349309080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970320 (or 970313 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 349309080 is about 18689.8121980934. The cubic root of 349309080 is about 704.2658420511.

The spelling of 349309080 in words is "three hundred forty-nine million, three hundred nine thousand, eighty".