84002247 has 24 divisors (see below), whose sum is σ = 142422176. Its totient is φ = 46702656.

The previous prime is 84002239. The next prime is 84002251. The reversal of 84002247 is 74220048.

It is not a de Polignac number, because 84002247 - 2³ = 84002239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84002247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84002227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15688 + ... + 20349.

Almost surely, 2^84002247 is an apocalyptic number.

84002247 is a deficient number, since it is larger than the sum of its proper divisors (58419929).

84002247 is a wasteful number, since it uses less digits than its factorization.

84002247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36087 (or 36084 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 84002247 is about 9165.2739729918. The cubic root of 84002247 is about 437.9558190252.

The spelling of 84002247 in words is "eighty-four million, two thousand, two hundred forty-seven".