349745526 has 96 divisors (see below), whose sum is σ = 853620768. Its totient is φ = 106686720.

The previous prime is 349745507. The next prime is 349745537. The reversal of 349745526 is 625547943.

349745526 is a `hidden beast` number, since 3 + 4 + 97 + 4 + 552 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1244506 + ... + 1244786.

It is an arithmetic number, because the mean of its divisors is an integer number (8891883).

Almost surely, 2^349745526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349745526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426810384).

349745526 is an abundant number, since it is smaller than the sum of its proper divisors (503875242).

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

349745526 is a wasteful number, since it uses less digits than its factorization.

349745526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 496 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 349745526 is about 18701.4845934755. The cubic root of 349745526 is about 704.5590361490.

The spelling of 349745526 in words is "three hundred forty-nine million, seven hundred forty-five thousand, five hundred twenty-six".