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3721041 = 326432

3721041 has 9 divisors (see below), whose sum is σ = 5383209. Its totient is φ = 2476836.

The previous prime is 3721033. The next prime is 3721049. The reversal of 3721041 is 1401273.

The square root of 3721041 is 1929.

It is a perfect power (a square), and thus also a powerful number.

3721041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3721033) and next prime (3721049).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3721041 - 23 = 3721033 is a prime.

It is a super-2 number, since 2×37210412 = 27692292247362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3721049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5466 + ... + 6108.

Almost surely, 23721041 is an apocalyptic number.

3721041 is the 1929-th square number.

3721041 is the 965-th centered octagonal number.

It is an amenable number.

3721041 is a deficient number, since it is larger than the sum of its proper divisors (1662168).

3721041 is an frugal number, since it uses more digits than its factorization.

3721041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The cubic root of 3721041 is about 154.9606698685.

The spelling of 3721041 in words is "three million, seven hundred twenty-one thousand, forty-one".

Divisors: 1 3 9 643 1929 5787 413449 1240347 3721041