3548987 has 4 divisors (see below), whose sum is σ = 3822000. Its totient is φ = 3275976.

The previous prime is 3548983. The next prime is 3548989. The reversal of 3548987 is 7898453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7898453 = 23 ⋅343411.

It is a cyclic number.

It is not a de Polignac number, because 3548987 - 2² = 3548983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3548983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 136487 + ... + 136512.

It is an arithmetic number, because the mean of its divisors is an integer number (955500).

Almost surely, 2^3548987 is an apocalyptic number.

3548987 is a deficient number, since it is larger than the sum of its proper divisors (273013).

3548987 is a wasteful number, since it uses less digits than its factorization.

3548987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273012.

The product of its digits is 241920, while the sum is 44.

The square root of 3548987 is about 1883.8755266737. The cubic root of 3548987 is about 152.5345187470.

The spelling of 3548987 in words is "three million, five hundred forty-eight thousand, nine hundred eighty-seven".