1949873 has 8 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 1854160.

The previous prime is 1949839. The next prime is 1949881. The reversal of 1949873 is 3789491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1949873 - 2⁶ = 1949809 is a prime.

It is a super-2 number, since 2×1949873² = 7604009432258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1949873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

2^1949873 is an apocalyptic number.

It is an amenable number.

1949873 is a deficient number, since it is larger than the sum of its proper divisors (97807).

1949873 is an equidigital number, since it uses as much as digits as its factorization.

1949873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047.

The product of its digits is 54432, while the sum is 41.

The square root of 1949873 is about 1396.3785303420. The cubic root of 1949873 is about 124.9305854601.

The spelling of 1949873 in words is "one million, nine hundred forty-nine thousand, eight hundred seventy-three".