349181632 has 28 divisors (see below), whose sum is σ = 733668840. Its totient is φ = 164320256.

The previous prime is 349181537. The next prime is 349181633. The reversal of 349181632 is 236181943.

It is a junction number, because it is equal to n+sod(n) for n = 349181591 and 349181600.

It is not an unprimeable number, because it can be changed into a prime (349181633) 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, 159382 + ... + 161557.

Almost surely, 2^349181632 is an apocalyptic number.

349181632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

349181632 is an abundant number, since it is smaller than the sum of its proper divisors (384487208).

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

349181632 is a wasteful number, since it uses less digits than its factorization.

349181632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320968 (or 320958 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 349181632 is about 18686.4023289664. The cubic root of 349181632 is about 704.1801794325.

The spelling of 349181632 in words is "three hundred forty-nine million, one hundred eighty-one thousand, six hundred thirty-two".