857247034 has 8 divisors (see below), whose sum is σ = 1469566368. Its totient is φ = 367391580.

The previous prime is 857247023. The next prime is 857247059. The reversal of 857247034 is 430742758.

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

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, 30615952 + ... + 30615979.

It is an arithmetic number, because the mean of its divisors is an integer number (183695796).

Almost surely, 2^857247034 is an apocalyptic number.

857247034 is a deficient number, since it is larger than the sum of its proper divisors (612319334).

857247034 is a wasteful number, since it uses less digits than its factorization.

857247034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61231940.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 857247034 is about 29278.7812929432. The cubic root of 857247034 is about 949.9527341212.

The spelling of 857247034 in words is "eight hundred fifty-seven million, two hundred forty-seven thousand, thirty-four".