3722841 has 40 divisors (see below), whose sum is σ = 6098400. Its totient is φ = 2255040.

The previous prime is 3722833. The next prime is 3722843. The reversal of 3722841 is 1482273.

It is not a de Polignac number, because 3722841 - 2³ = 3722833 is a prime.

It is a super-2 number, since 2×3722841² = 27719090222562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

3722841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3722843) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63070 + ... + 63128.

It is an arithmetic number, because the mean of its divisors is an integer number (152460).

Almost surely, 2^3722841 is an apocalyptic number.

It is an amenable number.

3722841 is a deficient number, since it is larger than the sum of its proper divisors (2375559).

3722841 is a wasteful number, since it uses less digits than its factorization.

3722841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 122 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3722841 is about 1929.4665065764. The cubic root of 3722841 is about 154.9856525048.

The spelling of 3722841 in words is "three million, seven hundred twenty-two thousand, eight hundred forty-one".