2989390 has 16 divisors (see below), whose sum is σ = 5408208. Its totient is φ = 1189696.

The previous prime is 2989373. The next prime is 2989391. The reversal of 2989390 is 939892.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989391) 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 7 ways as a sum of consecutive naturals, for example, 1689 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (338013).

2^2989390 is an apocalyptic number.

2989390 is a deficient number, since it is larger than the sum of its proper divisors (2418818).

2989390 is a wasteful number, since it uses less digits than its factorization.

2989390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2989390 is about 1728.9852515276. The cubic root of 2989390 is about 144.0547309958.

The spelling of 2989390 in words is "two million, nine hundred eighty-nine thousand, three hundred ninety".