3772823 has 4 divisors (see below), whose sum is σ = 3792768. Its totient is φ = 3752880.

The previous prime is 3772801. The next prime is 3772883. The reversal of 3772823 is 3282773.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3772823 - 2¹² = 3768727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3772823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3772883) 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, 9686 + ... + 10067.

It is an arithmetic number, because the mean of its divisors is an integer number (948192).

Almost surely, 2^3772823 is an apocalyptic number.

3772823 is a deficient number, since it is larger than the sum of its proper divisors (19945).

3772823 is a wasteful number, since it uses less digits than its factorization.

3772823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944.

The product of its digits is 14112, while the sum is 32.

The square root of 3772823 is about 1942.3756073427. The cubic root of 3772823 is about 155.6761718894.

The spelling of 3772823 in words is "three million, seven hundred seventy-two thousand, eight hundred twenty-three".