3720862 has 4 divisors (see below), whose sum is σ = 5581296. Its totient is φ = 1860430.

The previous prime is 3720859. The next prime is 3720869. The reversal of 3720862 is 2680273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2680273 = 19 ⋅141067.

It is a self number, because there is not a number n which added to its sum of digits gives 3720862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930214 + ... + 930217.

It is an arithmetic number, because the mean of its divisors is an integer number (1395324).

Almost surely, 2^3720862 is an apocalyptic number.

3720862 is a deficient number, since it is larger than the sum of its proper divisors (1860434).

3720862 is a wasteful number, since it uses less digits than its factorization.

3720862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860433.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3720862 is about 1928.9536023451. The cubic root of 3720862 is about 154.9581850437.

The spelling of 3720862 in words is "three million, seven hundred twenty thousand, eight hundred sixty-two".