349631653 has 8 divisors (see below), whose sum is σ = 399808640. Its totient is φ = 299512080.

The previous prime is 349631651. The next prime is 349631677. The reversal of 349631653 is 356136943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 349631653 - 2¹ = 349631651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349631651) 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, 393 + ... + 26446.

It is an arithmetic number, because the mean of its divisors is an integer number (49976080).

Almost surely, 2^349631653 is an apocalyptic number.

It is an amenable number.

349631653 is a deficient number, since it is larger than the sum of its proper divisors (50176987).

349631653 is a wasteful number, since it uses less digits than its factorization.

349631653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28707.

The product of its digits is 174960, while the sum is 40.

The square root of 349631653 is about 18698.4398547045. The cubic root of 349631653 is about 704.4825624902.

The spelling of 349631653 in words is "three hundred forty-nine million, six hundred thirty-one thousand, six hundred fifty-three".