2389946 has 8 divisors (see below), whose sum is σ = 3860724. Its totient is φ = 1103040.

The previous prime is 2389943. The next prime is 2389951. The reversal of 2389946 is 6499832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 319225 = 1439^2 + 565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2389943) 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 3 ways as a sum of consecutive naturals, for example, 45935 + ... + 45986.

2^2389946 is an apocalyptic number.

2389946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2389946 is a deficient number, since it is larger than the sum of its proper divisors (1470778).

2389946 is a wasteful number, since it uses less digits than its factorization.

2389946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91936.

The product of its digits is 93312, while the sum is 41.

The square root of 2389946 is about 1545.9450184272. The cubic root of 2389946 is about 133.6993705948.

The spelling of 2389946 in words is "two million, three hundred eighty-nine thousand, nine hundred forty-six".