349277628 has 24 divisors (see below), whose sum is σ = 931407232. Its totient is φ = 99793584.

The previous prime is 349277623. The next prime is 349277641. The reversal of 349277628 is 826772943.

It is a super-2 number, since 2×349277628² = 243989722842612768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349277623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078950 + ... + 2079117.

Almost surely, 2^349277628 is an apocalyptic number.

It is an amenable number.

349277628 is an abundant number, since it is smaller than the sum of its proper divisors (582129604).

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

349277628 is a wasteful number, since it uses less digits than its factorization.

349277628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158081 (or 4158079 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 349277628 is about 18688.9707581771. The cubic root of 349277628 is about 704.2447039097.

The spelling of 349277628 in words is "three hundred forty-nine million, two hundred seventy-seven thousand, six hundred twenty-eight".