350798921 has 8 divisors (see below), whose sum is σ = 399328704. Its totient is φ = 305042320.

The previous prime is 350798879. The next prime is 350798933. The reversal of 350798921 is 129897053.

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

It is a de Polignac number, because none of the positive numbers 2^k-350798921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (350798941) 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, 693026 + ... + 693531.

It is an arithmetic number, because the mean of its divisors is an integer number (49916088).

Almost surely, 2^350798921 is an apocalyptic number.

It is an amenable number.

350798921 is a deficient number, since it is larger than the sum of its proper divisors (48529783).

350798921 is a wasteful number, since it uses less digits than its factorization.

350798921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386591.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 350798921 is about 18729.6268248996. The cubic root of 350798921 is about 705.2656785834.

The spelling of 350798921 in words is "three hundred fifty million, seven hundred ninety-eight thousand, nine hundred twenty-one".