850749398 has 8 divisors (see below), whose sum is σ = 1290462840. Its totient is φ = 420595120.

The previous prime is 850749359. The next prime is 850749407. The reversal of 850749398 is 893947058.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389568 + ... + 2389923.

It is an arithmetic number, because the mean of its divisors is an integer number (161307855).

Almost surely, 2^850749398 is an apocalyptic number.

850749398 is a deficient number, since it is larger than the sum of its proper divisors (439713442).

850749398 is a wasteful number, since it uses less digits than its factorization.

850749398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779582.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 850749398 is about 29167.6087124056. The cubic root of 850749398 is about 947.5465400893.

The spelling of 850749398 in words is "eight hundred fifty million, seven hundred forty-nine thousand, three hundred ninety-eight".