803980429 has 4 divisors (see below), whose sum is σ = 918834784. Its totient is φ = 689126076.

The previous prime is 803980399. The next prime is 803980477. The reversal of 803980429 is 924089308.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803980429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803980729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57427167 + ... + 57427180.

It is an arithmetic number, because the mean of its divisors is an integer number (229708696).

Almost surely, 2^803980429 is an apocalyptic number.

It is an amenable number.

803980429 is a deficient number, since it is larger than the sum of its proper divisors (114854355).

803980429 is a wasteful number, since it uses less digits than its factorization.

803980429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114854354.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 803980429 is about 28354.5486474393. The cubic root of 803980429 is about 929.8548465021.

The spelling of 803980429 in words is "eight hundred three million, nine hundred eighty thousand, four hundred twenty-nine".