349650157 has 4 divisors (see below), whose sum is σ = 357781600. Its totient is φ = 341518716.

The previous prime is 349650131. The next prime is 349650227. The reversal of 349650157 is 751056943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349650157 - 2¹⁹ = 349125869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349650557) 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, 4065657 + ... + 4065742.

It is an arithmetic number, because the mean of its divisors is an integer number (89445400).

Almost surely, 2^349650157 is an apocalyptic number.

It is an amenable number.

349650157 is a deficient number, since it is larger than the sum of its proper divisors (8131443).

349650157 is an equidigital number, since it uses as much as digits as its factorization.

349650157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131442.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 349650157 is about 18698.9346487975. The cubic root of 349650157 is about 704.4949903461.

The spelling of 349650157 in words is "three hundred forty-nine million, six hundred fifty thousand, one hundred fifty-seven".