2906989 has 8 divisors (see below), whose sum is σ = 3060000. Its totient is φ = 2757552.

The previous prime is 2906987. The next prime is 2906999. The reversal of 2906989 is 9896092.

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

It is not a de Polignac number, because 2906989 - 2¹ = 2906987 is a prime.

It is a super-2 number, since 2×2906989² = 16901170092242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906987) 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, 862 + ... + 2560.

It is an arithmetic number, because the mean of its divisors is an integer number (382500).

2^2906989 is an apocalyptic number.

2906989 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2906989 is a deficient number, since it is larger than the sum of its proper divisors (153011).

2906989 is a wasteful number, since it uses less digits than its factorization.

2906989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2906989 is about 1704.9894427826. The cubic root of 2906989 is about 142.7187816078.

The spelling of 2906989 in words is "two million, nine hundred six thousand, nine hundred eighty-nine".