349798736 has 20 divisors (see below), whose sum is σ = 774554592. Its totient is φ = 149913696.

The previous prime is 349798693. The next prime is 349798739. The reversal of 349798736 is 637897943.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349798739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561490 + ... + 1561713.

Almost surely, 2^349798736 is an apocalyptic number.

It is an amenable number.

349798736 is an abundant number, since it is smaller than the sum of its proper divisors (424755856).

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

349798736 is a wasteful number, since it uses less digits than its factorization.

349798736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123218 (or 3123212 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 56.

The square root of 349798736 is about 18702.9071537021. The cubic root of 349798736 is about 704.5947646835.

The spelling of 349798736 in words is "three hundred forty-nine million, seven hundred ninety-eight thousand, seven hundred thirty-six".