84486437 has 12 divisors (see below), whose sum is σ = 98677260. Its totient is φ = 72124416.

The previous prime is 84486433. The next prime is 84486473. The reversal of 84486437 is 73468448.

It can be written as a sum of positive squares in 2 ways, for example, as 73290721 + 11195716 = 8561^2 + 3346^2 .

It is not a de Polignac number, because 84486437 - 2² = 84486433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84486431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9239 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (8223105).

Almost surely, 2^84486437 is an apocalyptic number.

It is an amenable number.

84486437 is a deficient number, since it is larger than the sum of its proper divisors (14190823).

84486437 is a wasteful number, since it uses less digits than its factorization.

84486437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980 (or 6973 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 84486437 is about 9191.6503958756. The cubic root of 84486437 is about 438.7956683875.

The spelling of 84486437 in words is "eighty-four million, four hundred eighty-six thousand, four hundred thirty-seven".