1889077 has 2 divisors, whose sum is σ = 1889078. Its totient is φ = 1889076.

The previous prime is 1889053. The next prime is 1889081. The reversal of 1889077 is 7709881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1418481 + 470596 = 1191^2 + 686^2 .

It is an emirp because it is prime and its reverse (7709881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1889077 - 2¹¹ = 1887029 is a prime.

It is a super-2 number, since 2×1889077² = 7137223823858, which contains 22 as substring.

1889077 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1889087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944538 + 944539.

It is an arithmetic number, because the mean of its divisors is an integer number (944539).

2^1889077 is an apocalyptic number.

It is an amenable number.

1889077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1889077 is an equidigital number, since it uses as much as digits as its factorization.

1889077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 1889077 is about 1374.4369756377. The cubic root of 1889077 is about 123.6184290168.

The spelling of 1889077 in words is "one million, eight hundred eighty-nine thousand, seventy-seven".