849406494 has 16 divisors (see below), whose sum is σ = 1699105680. Its totient is φ = 283086720.

The previous prime is 849406487. The next prime is 849406501. The reversal of 849406494 is 494604948.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (849406487) and next prime (849406501).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49692 + ... + 64560.

It is an arithmetic number, because the mean of its divisors is an integer number (106194105).

Almost surely, 2^849406494 is an apocalyptic number.

849406494 is an abundant number, since it is smaller than the sum of its proper divisors (849699186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849406494 is a wasteful number, since it uses less digits than its factorization.

849406494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24395.

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 849406494 is about 29144.5791529059. The cubic root of 849406494 is about 947.0477115836.

The spelling of 849406494 in words is "eight hundred forty-nine million, four hundred six thousand, four hundred ninety-four".