803640004 has 6 divisors (see below), whose sum is σ = 1406370014. Its totient is φ = 401820000.

The previous prime is 803639989. The next prime is 803640023. The reversal of 803640004 is 400046308.

It can be written as a sum of positive squares in only one way, i.e., 761649604 + 41990400 = 27598^2 + 6480^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100454997 + ... + 100455004.

Almost surely, 2^803640004 is an apocalyptic number.

It is an amenable number.

803640004 is a deficient number, since it is larger than the sum of its proper divisors (602730010).

803640004 is a wasteful number, since it uses less digits than its factorization.

803640004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200910005 (or 200910003 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 803640004 is about 28348.5450067548. The cubic root of 803640004 is about 929.7235868707.

The spelling of 803640004 in words is "eight hundred three million, six hundred forty thousand, four".