349283893 has 8 divisors (see below), whose sum is σ = 399409920. Its totient is φ = 299214960.

The previous prime is 349283867. The next prime is 349283929. The reversal of 349283893 is 398382943.

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

It is a cyclic number.

It is not a de Polignac number, because 349283893 - 2⁹ = 349283381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349283813) 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, 238 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (49926240).

Almost surely, 2^349283893 is an apocalyptic number.

It is an amenable number.

349283893 is a deficient number, since it is larger than the sum of its proper divisors (50126027).

349283893 is a wasteful number, since it uses less digits than its factorization.

349283893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28547.

The product of its digits is 1119744, while the sum is 49.

The square root of 349283893 is about 18689.1383696520. The cubic root of 349283893 is about 704.2489145685.

The spelling of 349283893 in words is "three hundred forty-nine million, two hundred eighty-three thousand, eight hundred ninety-three".