83415404 has 6 divisors (see below), whose sum is σ = 145976964. Its totient is φ = 41707700.

The previous prime is 83415401. The next prime is 83415419. The reversal of 83415404 is 40451438.

It is not an unprimeable number, because it can be changed into a prime (83415401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10426922 + ... + 10426929.

It is an arithmetic number, because the mean of its divisors is an integer number (24329494).

Almost surely, 2^83415404 is an apocalyptic number.

It is an amenable number.

83415404 is a deficient number, since it is larger than the sum of its proper divisors (62561560).

83415404 is a wasteful number, since it uses less digits than its factorization.

83415404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20853855 (or 20853853 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 83415404 is about 9133.2033810706. The cubic root of 83415404 is about 436.9335759835.

The spelling of 83415404 in words is "eighty-three million, four hundred fifteen thousand, four hundred four".