803749640 has 32 divisors (see below), whose sum is σ = 1817026560. Its totient is φ = 319972800.

The previous prime is 803749633. The next prime is 803749643. The reversal of 803749640 is 46947308.

It is not an unprimeable number, because it can be changed into a prime (803749643) 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, 39176 + ... + 56055.

It is an arithmetic number, because the mean of its divisors is an integer number (56782080).

Almost surely, 2^803749640 is an apocalyptic number.

It is an amenable number.

803749640 is an abundant number, since it is smaller than the sum of its proper divisors (1013276920).

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

803749640 is a wasteful number, since it uses less digits than its factorization.

803749640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95453 (or 95449 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 803749640 is about 28350.4786555712. The cubic root of 803749640 is about 929.7658639017.

The spelling of 803749640 in words is "eight hundred three million, seven hundred forty-nine thousand, six hundred forty".