84004412 has 24 divisors (see below), whose sum is σ = 156718800. Its totient is φ = 39261440.

The previous prime is 84004411. The next prime is 84004423. The reversal of 84004412 is 21440048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84004411) 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, 5987 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (6529950).

Almost surely, 2^84004412 is an apocalyptic number.

It is an amenable number.

84004412 is a deficient number, since it is larger than the sum of its proper divisors (72714388).

84004412 is a wasteful number, since it uses less digits than its factorization.

84004412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461 (or 8459 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 84004412 is about 9165.3920810841. The cubic root of 84004412 is about 437.9595814889.

The spelling of 84004412 in words is "eighty-four million, four thousand, four hundred twelve".