349001620 has 24 divisors (see below), whose sum is σ = 799531488. Its totient is φ = 126909600.

The previous prime is 349001603. The next prime is 349001621. The reversal of 349001620 is 26100943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349001621) 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, 792966 + ... + 793405.

It is an arithmetic number, because the mean of its divisors is an integer number (33313812).

Almost surely, 2^349001620 is an apocalyptic number.

It is an amenable number.

349001620 is an abundant number, since it is smaller than the sum of its proper divisors (450529868).

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

349001620 is a wasteful number, since it uses less digits than its factorization.

349001620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586391 (or 1586389 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 349001620 is about 18681.5850505250. The cubic root of 349001620 is about 704.0591510432.

The spelling of 349001620 in words is "three hundred forty-nine million, one thousand, six hundred twenty".