1900373 has 2 divisors, whose sum is σ = 1900374. Its totient is φ = 1900372.

The previous prime is 1900369. The next prime is 1900397. The reversal of 1900373 is 3730091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1868689 + 31684 = 1367^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1900373 - 2² = 1900369 is a prime.

It is a super-2 number, since 2×1900373² = 7222835078258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1900303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950186 + 950187.

It is an arithmetic number, because the mean of its divisors is an integer number (950187).

2^1900373 is an apocalyptic number.

It is an amenable number.

1900373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900373 is an equidigital number, since it uses as much as digits as its factorization.

1900373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 1900373 is about 1378.5401698899. The cubic root of 1900373 is about 123.8643374107.

The spelling of 1900373 in words is "one million, nine hundred thousand, three hundred seventy-three".