803257340 has 24 divisors (see below), whose sum is σ = 1688738352. Its totient is φ = 320941440.

The previous prime is 803257339. The next prime is 803257349. The reversal of 803257340 is 43752308.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 803257297 and 803257306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803257349) 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, 4001 + ... + 40280.

It is an arithmetic number, because the mean of its divisors is an integer number (70364098).

Almost surely, 2^803257340 is an apocalyptic number.

It is an amenable number.

803257340 is an abundant number, since it is smaller than the sum of its proper divisors (885481012).

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

803257340 is a wasteful number, since it uses less digits than its factorization.

803257340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45197 (or 45195 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 803257340 is about 28341.7949325726. The cubic root of 803257340 is about 929.5759966444.

The spelling of 803257340 in words is "eight hundred three million, two hundred fifty-seven thousand, three hundred forty".