349961228 has 12 divisors (see below), whose sum is σ = 644665560. Its totient is φ = 165771072.

The previous prime is 349961221. The next prime is 349961233. The reversal of 349961228 is 822169943.

It is a super-2 number, since 2×349961228² = 244945722206535968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349961221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302301 + ... + 2302452.

It is an arithmetic number, because the mean of its divisors is an integer number (53722130).

Almost surely, 2^349961228 is an apocalyptic number.

349961228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

349961228 is a deficient number, since it is larger than the sum of its proper divisors (294704332).

349961228 is a wasteful number, since it uses less digits than its factorization.

349961228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604776 (or 4604774 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 349961228 is about 18707.2506798835. The cubic root of 349961228 is about 704.7038495916.

The spelling of 349961228 in words is "three hundred forty-nine million, nine hundred sixty-one thousand, two hundred twenty-eight".