1826973 has 12 divisors (see below), whose sum is σ = 2794428. Its totient is φ = 1146240.

The previous prime is 1826969. The next prime is 1826977. The reversal of 1826973 is 3796281.

It is an interprime number because it is at equal distance from previous prime (1826969) and next prime (1826977).

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 870489 = 978^2 + 933^2 .

It is not a de Polignac number, because 1826973 - 2² = 1826969 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818 + ... + 6123.

It is an arithmetic number, because the mean of its divisors is an integer number (232869).

2^1826973 is an apocalyptic number.

It is an amenable number.

1826973 is a deficient number, since it is larger than the sum of its proper divisors (967455).

1826973 is a wasteful number, since it uses less digits than its factorization.

1826973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964 (or 11961 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1826973 is about 1351.6556514142. The cubic root of 1826973 is about 122.2486418859.

The spelling of 1826973 in words is "one million, eight hundred twenty-six thousand, nine hundred seventy-three".