3723444 has 36 divisors (see below), whose sum is σ = 9470916. Its totient is φ = 1233408.

The previous prime is 3723443. The next prime is 3723451. The reversal of 3723444 is 4443273.

It can be written as a sum of positive squares in 2 ways, for example, as 2683044 + 1040400 = 1638^2 + 1020^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3723444² = 27728070442272, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10372 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (263081).

Almost surely, 2^3723444 is an apocalyptic number.

It is an amenable number.

3723444 is an abundant number, since it is smaller than the sum of its proper divisors (5747472).

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

3723444 is a wasteful number, since it uses less digits than its factorization.

3723444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 651 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 3723444 is about 1929.6227610598. The cubic root of 3723444 is about 154.9940198872.

The spelling of 3723444 in words is "three million, seven hundred twenty-three thousand, four hundred forty-four".