4523986 has 4 divisors (see below), whose sum is σ = 6785982. Its totient is φ = 2261992.

The previous prime is 4523969. The next prime is 4523993. The reversal of 4523986 is 6893254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 463761 = 2015^2 + 681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130995 + ... + 1130998.

Almost surely, 2^4523986 is an apocalyptic number.

4523986 is a deficient number, since it is larger than the sum of its proper divisors (2261996).

4523986 is a wasteful number, since it uses less digits than its factorization.

4523986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261995.

The product of its digits is 51840, while the sum is 37.

The square root of 4523986 is about 2126.9663843136. The cubic root of 4523986 is about 165.3891762384.

The spelling of 4523986 in words is "four million, five hundred twenty-three thousand, nine hundred eighty-six".