3986554 has 32 divisors (see below), whose sum is σ = 7185024. Its totient is φ = 1634880.

The previous prime is 3986539. The next prime is 3986581. The reversal of 3986554 is 4556893.

3986554 = 597² + 598² + ... + 607².

It is a super-2 number, since 2×3986554² = 31785225589832, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁹ + 9⁵ + 8³ + 6² + 5⁹ + 5⁹ + 4⁵ .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15027 + ... + 15289.

It is an arithmetic number, because the mean of its divisors is an integer number (224532).

Almost surely, 2^3986554 is an apocalyptic number.

3986554 is a deficient number, since it is larger than the sum of its proper divisors (3198470).

3986554 is a wasteful number, since it uses less digits than its factorization.

3986554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 129600, while the sum is 40.

The square root of 3986554 is about 1996.6356703215. The cubic root of 3986554 is about 158.5620372345.

The spelling of 3986554 in words is "three million, nine hundred eighty-six thousand, five hundred fifty-four".