349155628 has 24 divisors (see below), whose sum is σ = 654091200. Its totient is φ = 162584208.

The previous prime is 349155623. The next prime is 349155661. The reversal of 349155628 is 826551943.

It is not an unprimeable number, because it can be changed into a prime (349155623) 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, 34450 + ... + 43417.

It is an arithmetic number, because the mean of its divisors is an integer number (27253800).

Almost surely, 2^349155628 is an apocalyptic number.

349155628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

349155628 is a deficient number, since it is larger than the sum of its proper divisors (304935572).

349155628 is a wasteful number, since it uses less digits than its factorization.

349155628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77949 (or 77947 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 349155628 is about 18685.7065159442. The cubic root of 349155628 is about 704.1626986009.

The spelling of 349155628 in words is "three hundred forty-nine million, one hundred fifty-five thousand, six hundred twenty-eight".