349894951 has 4 divisors (see below), whose sum is σ = 399879952. Its totient is φ = 299909952.

The previous prime is 349894949. The next prime is 349894967. The reversal of 349894951 is 159498943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349894951 - 2¹ = 349894949 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 (349894921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24992490 + ... + 24992503.

It is an arithmetic number, because the mean of its divisors is an integer number (99969988).

Almost surely, 2^349894951 is an apocalyptic number.

349894951 is a deficient number, since it is larger than the sum of its proper divisors (49985001).

349894951 is an equidigital number, since it uses as much as digits as its factorization.

349894951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49985000.

The product of its digits is 1399680, while the sum is 52.

The square root of 349894951 is about 18705.4791705532. The cubic root of 349894951 is about 704.6593602767.

The spelling of 349894951 in words is "three hundred forty-nine million, eight hundred ninety-four thousand, nine hundred fifty-one".