3722845 has 8 divisors (see below), whose sum is σ = 5105664. Its totient is φ = 2552784.

The previous prime is 3722843. The next prime is 3722861. The reversal of 3722845 is 5482273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3722845 - 2¹ = 3722843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722843) 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, 53149 + ... + 53218.

It is an arithmetic number, because the mean of its divisors is an integer number (638208).

Almost surely, 2^3722845 is an apocalyptic number.

3722845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3722845 is a deficient number, since it is larger than the sum of its proper divisors (1382819).

3722845 is a wasteful number, since it uses less digits than its factorization.

3722845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106379.

The product of its digits is 13440, while the sum is 31.

The square root of 3722845 is about 1929.4675431320. The cubic root of 3722845 is about 154.9857080128.

It can be divided in two parts, 37228 and 45, that added together give a palindrome (37273).

The spelling of 3722845 in words is "three million, seven hundred twenty-two thousand, eight hundred forty-five".