3874237 has 2 divisors, whose sum is σ = 3874238. Its totient is φ = 3874236.

The previous prime is 3874231. The next prime is 3874243. The reversal of 3874237 is 7324783.

It is a balanced prime because it is at equal distance from previous prime (3874231) and next prime (3874243).

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 436921 = 1854^2 + 661^2 .

It is an emirp because it is prime and its reverse (7324783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3874237 - 2³ = 3874229 is a prime.

3874237 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3874231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937118 + 1937119.

It is an arithmetic number, because the mean of its divisors is an integer number (1937119).

Almost surely, 2^3874237 is an apocalyptic number.

It is an amenable number.

3874237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874237 is an equidigital number, since it uses as much as digits as its factorization.

3874237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 3874237 is about 1968.3081567681. The cubic root of 3874237 is about 157.0587228098.

It can be divided in two parts, 387 and 4237, that added together give a square (4624 = 68²).

The spelling of 3874237 in words is "three million, eight hundred seventy-four thousand, two hundred thirty-seven".