803820372 has 12 divisors (see below), whose sum is σ = 1875580896. Its totient is φ = 267940120.

The previous prime is 803820361. The next prime is 803820427. The reversal of 803820372 is 273028308.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×803820372² = 1292254380884436768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33492504 + ... + 33492527.

It is an arithmetic number, because the mean of its divisors is an integer number (156298408).

Almost surely, 2^803820372 is an apocalyptic number.

It is an amenable number.

803820372 is an abundant number, since it is smaller than the sum of its proper divisors (1071760524).

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

803820372 is a wasteful number, since it uses less digits than its factorization.

803820372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66985038 (or 66985036 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 803820372 is about 28351.7260850199. The cubic root of 803820372 is about 929.7931370171.

The spelling of 803820372 in words is "eight hundred three million, eight hundred twenty thousand, three hundred seventy-two".