1896149 has 2 divisors, whose sum is σ = 1896150. Its totient is φ = 1896148.

The previous prime is 1896133. The next prime is 1896151. The reversal of 1896149 is 9416981.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1380625 + 515524 = 1175^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896149 - 2⁴ = 1896133 is a prime.

Together with 1896151, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1896109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948074 + 948075.

It is an arithmetic number, because the mean of its divisors is an integer number (948075).

2^1896149 is an apocalyptic number.

It is an amenable number.

1896149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896149 is an equidigital number, since it uses as much as digits as its factorization.

1896149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 38.

The square root of 1896149 is about 1377.0072621450. The cubic root of 1896149 is about 123.7724973552.

The spelling of 1896149 in words is "one million, eight hundred ninety-six thousand, one hundred forty-nine".