3721499 has 4 divisors (see below), whose sum is σ = 3740400. Its totient is φ = 3702600.

The previous prime is 3721489. The next prime is 3721537. The reversal of 3721499 is 9941273.

3721499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3721499 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3721409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9152 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (935100).

Almost surely, 2^3721499 is an apocalyptic number.

3721499 is a deficient number, since it is larger than the sum of its proper divisors (18901).

3721499 is a wasteful number, since it uses less digits than its factorization.

3721499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18900.

The product of its digits is 13608, while the sum is 35.

The square root of 3721499 is about 1929.1187107070. The cubic root of 3721499 is about 154.9670273256.

The spelling of 3721499 in words is "three million, seven hundred twenty-one thousand, four hundred ninety-nine".