349988622 has 16 divisors (see below), whose sum is σ = 741152592. Its totient is φ = 109800320.

The previous prime is 349988621. The next prime is 349988623. The reversal of 349988622 is 226889943.

It is an interprime number because it is at equal distance from previous prime (349988621) and next prime (349988623).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349988621) 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, 1715529 + ... + 1715732.

It is an arithmetic number, because the mean of its divisors is an integer number (46322037).

Almost surely, 2^349988622 is an apocalyptic number.

349988622 is an abundant number, since it is smaller than the sum of its proper divisors (391163970).

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

349988622 is a wasteful number, since it uses less digits than its factorization.

349988622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431283.

The product of its digits is 1492992, while the sum is 51.

The square root of 349988622 is about 18707.9828415572. The cubic root of 349988622 is about 704.7222365366.

The spelling of 349988622 in words is "three hundred forty-nine million, nine hundred eighty-eight thousand, six hundred twenty-two".