849739632 has 80 divisors (see below), whose sum is σ = 2576596992. Its totient is φ = 236217600.

The previous prime is 849739621. The next prime is 849739651. The reversal of 849739632 is 236937948.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21744 + ... + 46607.

Almost surely, 2^849739632 is an apocalyptic number.

It is an amenable number.

849739632 is an abundant number, since it is smaller than the sum of its proper divisors (1726857360).

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

849739632 is a wasteful number, since it uses less digits than its factorization.

849739632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68406 (or 68400 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 849739632 is about 29150.2938578670. The cubic root of 849739632 is about 947.1715063923.

The spelling of 849739632 in words is "eight hundred forty-nine million, seven hundred thirty-nine thousand, six hundred thirty-two".