1900673 has 2 divisors, whose sum is σ = 1900674. Its totient is φ = 1900672.

The previous prime is 1900667. The next prime is 1900687. The reversal of 1900673 is 3760091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1181569 + 719104 = 1087^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1900673 - 2⁶ = 1900609 is a prime.

It is a super-2 number, since 2×1900673² = 7225115705858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1900603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950336 + 950337.

It is an arithmetic number, because the mean of its divisors is an integer number (950337).

2^1900673 is an apocalyptic number.

It is an amenable number.

1900673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900673 is an equidigital number, since it uses as much as digits as its factorization.

1900673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1900673 is about 1378.6489763533. The cubic root of 1900673 is about 123.8708549639.

The spelling of 1900673 in words is "one million, nine hundred thousand, six hundred seventy-three".