3996554 has 4 divisors (see below), whose sum is σ = 5994834. Its totient is φ = 1998276.

The previous prime is 3996541. The next prime is 3996569. The reversal of 3996554 is 4556993.

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., 2319529 + 1677025 = 1523^2 + 1295^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999137 + ... + 999140.

Almost surely, 2^3996554 is an apocalyptic number.

3996554 is a deficient number, since it is larger than the sum of its proper divisors (1998280).

3996554 is a wasteful number, since it uses less digits than its factorization.

3996554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998279.

The product of its digits is 145800, while the sum is 41.

The square root of 3996554 is about 1999.1383143745. The cubic root of 3996554 is about 158.6945072332.

The spelling of 3996554 in words is "three million, nine hundred ninety-six thousand, five hundred fifty-four".