83798404 has 6 divisors (see below), whose sum is σ = 146647214. Its totient is φ = 41899200.

The previous prime is 83798401. The next prime is 83798411. The reversal of 83798404 is 40489738.

It can be written as a sum of positive squares in only one way, i.e., 81866304 + 1932100 = 9048^2 + 1390^2 .

It is not an unprimeable number, because it can be changed into a prime (83798401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10474797 + ... + 10474804.

Almost surely, 2^83798404 is an apocalyptic number.

It is an amenable number.

83798404 is a deficient number, since it is larger than the sum of its proper divisors (62848810).

83798404 is a wasteful number, since it uses less digits than its factorization.

83798404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20949605 (or 20949603 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 83798404 is about 9154.1468198844. The cubic root of 83798404 is about 437.6012787568.

The spelling of 83798404 in words is "eighty-three million, seven hundred ninety-eight thousand, four hundred four".