3720469 has 2 divisors, whose sum is σ = 3720470. Its totient is φ = 3720468.

The previous prime is 3720427. The next prime is 3720487. The reversal of 3720469 is 9640273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3378244 + 342225 = 1838^2 + 585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3720469 is a prime.

It is a super-2 number, since 2×3720469² = 27683779159922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹¹ + 7⁶ + 2²¹ + 0 + 4¹⁰ + 6⁷ + 9 .

It is a self number, because there is not a number n which added to its sum of digits gives 3720469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3720169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860234 + 1860235.

It is an arithmetic number, because the mean of its divisors is an integer number (1860235).

Almost surely, 2^3720469 is an apocalyptic number.

It is an amenable number.

3720469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720469 is an equidigital number, since it uses as much as digits as its factorization.

3720469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 3720469 is about 1928.8517309529. The cubic root of 3720469 is about 154.9527292550.

It can be divided in two parts, 37204 and 69, that added together give a palindrome (37273).

The spelling of 3720469 in words is "three million, seven hundred twenty thousand, four hundred sixty-nine".