349887574 has 16 divisors (see below), whose sum is σ = 563534496. Its totient is φ = 162332800.

The previous prime is 349887553. The next prime is 349887583. The reversal of 349887574 is 475788943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70057 + ... + 74884.

It is an arithmetic number, because the mean of its divisors is an integer number (35220906).

Almost surely, 2^349887574 is an apocalyptic number.

349887574 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

349887574 is a deficient number, since it is larger than the sum of its proper divisors (213646922).

349887574 is a wasteful number, since it uses less digits than its factorization.

349887574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145031.

The product of its digits is 6773760, while the sum is 55.

The square root of 349887574 is about 18705.2819813014. The cubic root of 349887574 is about 704.6544080202.

The spelling of 349887574 in words is "three hundred forty-nine million, eight hundred eighty-seven thousand, five hundred seventy-four".