84105004 has 6 divisors (see below), whose sum is σ = 147183764. Its totient is φ = 42052500.

The previous prime is 84104989. The next prime is 84105029. The reversal of 84105004 is 40050148.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513122 + ... + 10513129.

Almost surely, 2^84105004 is an apocalyptic number.

It is an amenable number.

84105004 is a deficient number, since it is larger than the sum of its proper divisors (63078760).

84105004 is a wasteful number, since it uses less digits than its factorization.

84105004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21026255 (or 21026253 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 84105004 is about 9170.8780386613. The cubic root of 84105004 is about 438.1343249182.

The spelling of 84105004 in words is "eighty-four million, one hundred five thousand, four".