4529986 has 8 divisors (see below), whose sum is σ = 6824844. Its totient is φ = 2255040.

The previous prime is 4529983. The next prime is 4529989. The reversal of 4529986 is 6899254.

It is an interprime number because it is at equal distance from previous prime (4529983) and next prime (4529989).

It can be written as a sum of positive squares in 2 ways, for example, as 3591025 + 938961 = 1895^2 + 969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4529983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4395 + ... + 5326.

Almost surely, 2^4529986 is an apocalyptic number.

4529986 is a deficient number, since it is larger than the sum of its proper divisors (2294858).

4529986 is a wasteful number, since it uses less digits than its factorization.

4529986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956.

The product of its digits is 155520, while the sum is 43.

The square root of 4529986 is about 2128.3763764898. The cubic root of 4529986 is about 165.4622605112.

The spelling of 4529986 in words is "four million, five hundred twenty-nine thousand, nine hundred eighty-six".