349749546 has 32 divisors (see below), whose sum is σ = 731299968. Its totient is φ = 111302400.

The previous prime is 349749527. The next prime is 349749553. The reversal of 349749546 is 645947943.

It is a happy number.

It is a super-2 number, since 2×349749546² = 244649489854412232, which contains 22 as substring.

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, 80830 + ... + 85046.

It is an arithmetic number, because the mean of its divisors is an integer number (22853124).

Almost surely, 2^349749546 is an apocalyptic number.

349749546 is an abundant number, since it is smaller than the sum of its proper divisors (381550422).

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

349749546 is a wasteful number, since it uses less digits than its factorization.

349749546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846.

The product of its digits is 3265920, while the sum is 51.

The square root of 349749546 is about 18701.5920712649. The cubic root of 349749546 is about 704.5617355559.

The spelling of 349749546 in words is "three hundred forty-nine million, seven hundred forty-nine thousand, five hundred forty-six".