1890077 has 12 divisors (see below), whose sum is σ = 2329020. Its totient is φ = 1524096.

The previous prime is 1890041. The next prime is 1890079. The reversal of 1890077 is 7700981.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 1207801 = 826^2 + 1099^2 .

It is not a de Polignac number, because 1890077 - 2¹⁰ = 1889053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (194085).

2^1890077 is an apocalyptic number.

1890077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1890077 is a deficient number, since it is larger than the sum of its proper divisors (438943).

1890077 is a wasteful number, since it uses less digits than its factorization.

1890077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1890077 is about 1374.8007128308. The cubic root of 1890077 is about 123.6402380136.

The spelling of 1890077 in words is "one million, eight hundred ninety thousand, seventy-seven".