3722918 has 8 divisors (see below), whose sum is σ = 5827248. Its totient is φ = 1780504.

The previous prime is 3722911. The next prime is 3722921. The reversal of 3722918 is 8192273.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40421 + ... + 40512.

It is an arithmetic number, because the mean of its divisors is an integer number (728406).

Almost surely, 2^3722918 is an apocalyptic number.

3722918 is a deficient number, since it is larger than the sum of its proper divisors (2104330).

3722918 is a wasteful number, since it uses less digits than its factorization.

3722918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80958.

The product of its digits is 6048, while the sum is 32.

The square root of 3722918 is about 1929.4864601753. The cubic root of 3722918 is about 154.9867210268.

The spelling of 3722918 in words is "three million, seven hundred twenty-two thousand, nine hundred eighteen".