1949447 has 4 divisors (see below), whose sum is σ = 1976976. Its totient is φ = 1921920.

The previous prime is 1949417. The next prime is 1949459. The reversal of 1949447 is 7449491.

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

It is a cyclic number.

It is not a de Polignac number, because 1949447 - 2⁶ = 1949383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1949447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949417) 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, 13658 + ... + 13799.

It is an arithmetic number, because the mean of its divisors is an integer number (494244).

2^1949447 is an apocalyptic number.

1949447 is a deficient number, since it is larger than the sum of its proper divisors (27529).

1949447 is an equidigital number, since it uses as much as digits as its factorization.

1949447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27528.

The product of its digits is 36288, while the sum is 38.

The square root of 1949447 is about 1396.2259845741. The cubic root of 1949447 is about 124.9214866956.

The spelling of 1949447 in words is "one million, nine hundred forty-nine thousand, four hundred forty-seven".