3721854 has 16 divisors (see below), whose sum is σ = 7566480. Its totient is φ = 1220160.

The previous prime is 3721849. The next prime is 3721859. The reversal of 3721854 is 4581273.

It is an interprime number because it is at equal distance from previous prime (3721849) and next prime (3721859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721859) 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 7 ways as a sum of consecutive naturals, for example, 4719 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (472905).

Almost surely, 2^3721854 is an apocalyptic number.

3721854 is an abundant number, since it is smaller than the sum of its proper divisors (3844626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3721854 is a wasteful number, since it uses less digits than its factorization.

3721854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235.

The product of its digits is 6720, while the sum is 30.

The square root of 3721854 is about 1929.2107194394. The cubic root of 3721854 is about 154.9719546900.

The spelling of 3721854 in words is "three million, seven hundred twenty-one thousand, eight hundred fifty-four".