349491036 has 48 divisors (see below), whose sum is σ = 826398720. Its totient is φ = 114948480.

The previous prime is 349491029. The next prime is 349491047. The reversal of 349491036 is 630194943.

It is a junction number, because it is equal to n+sod(n) for n = 349490985 and 349491003.

It is a congruent 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, 318040 + ... + 319136.

It is an arithmetic number, because the mean of its divisors is an integer number (17216640).

Almost surely, 2^349491036 is an apocalyptic number.

It is an amenable number.

349491036 is an abundant number, since it is smaller than the sum of its proper divisors (476907684).

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

349491036 is a wasteful number, since it uses less digits than its factorization.

349491036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 349491036 is about 18694.6793500183. The cubic root of 349491036 is about 704.3881054551.

The spelling of 349491036 in words is "three hundred forty-nine million, four hundred ninety-one thousand, thirty-six".