3719949 has 4 divisors (see below), whose sum is σ = 4959936. Its totient is φ = 2479964.

The previous prime is 3719939. The next prime is 3719959. The reversal of 3719949 is 9499173.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3719939) and next prime (3719959).

It is a cyclic number.

It is not a de Polignac number, because 3719949 - 2⁸ = 3719693 is a prime.

It is a D-number.

3719949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3719949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3719939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619989 + ... + 619994.

It is an arithmetic number, because the mean of its divisors is an integer number (1239984).

Almost surely, 2^3719949 is an apocalyptic number.

It is an amenable number.

3719949 is a deficient number, since it is larger than the sum of its proper divisors (1239987).

3719949 is a wasteful number, since it uses less digits than its factorization.

3719949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239986.

The product of its digits is 61236, while the sum is 42.

The square root of 3719949 is about 1928.7169310192. The cubic root of 3719949 is about 154.9455098091.

The spelling of 3719949 in words is "three million, seven hundred nineteen thousand, nine hundred forty-nine".