3722847 has 8 divisors (see below), whose sum is σ = 5255856. Its totient is φ = 2335872.

The previous prime is 3722843. The next prime is 3722861. The reversal of 3722847 is 7482273.

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

It is not a de Polignac number, because 3722847 - 2² = 3722843 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 7³ + 2⁵ + 2¹³ + 8⁷ + 4⁹ + 7⁷ .

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36448 + ... + 36549.

It is an arithmetic number, because the mean of its divisors is an integer number (656982).

Almost surely, 2^3722847 is an apocalyptic number.

3722847 is a deficient number, since it is larger than the sum of its proper divisors (1533009).

3722847 is a wasteful number, since it uses less digits than its factorization.

3722847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73017.

The product of its digits is 18816, while the sum is 33.

The square root of 3722847 is about 1929.4680614097. The cubic root of 3722847 is about 154.9857357668.

The spelling of 3722847 in words is "three million, seven hundred twenty-two thousand, eight hundred forty-seven".