2366989 has 2 divisors, whose sum is σ = 2366990. Its totient is φ = 2366988.

The previous prime is 2366957. The next prime is 2366993. The reversal of 2366989 is 9896632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 16900 = 1533^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2366989 - 2⁵ = 2366957 is a prime.

It is a super-2 number, since 2×2366989² = 11205273852242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2366939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1183494 + 1183495.

It is an arithmetic number, because the mean of its divisors is an integer number (1183495).

2^2366989 is an apocalyptic number.

It is an amenable number.

2366989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2366989 is an equidigital number, since it uses as much as digits as its factorization.

2366989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 2366989 is about 1538.5021936936. The cubic root of 2366989 is about 133.2699024676.

It can be divided in two parts, 236 and 6989, that added together give a square (7225 = 85²).

The spelling of 2366989 in words is "two million, three hundred sixty-six thousand, nine hundred eighty-nine".