2906985 has 8 divisors (see below), whose sum is σ = 4651200. Its totient is φ = 1550384.

The previous prime is 2906951. The next prime is 2906987. The reversal of 2906985 is 5896092.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2906985 - 2⁷ = 2906857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2906987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96885 + ... + 96914.

It is an arithmetic number, because the mean of its divisors is an integer number (581400).

2^2906985 is an apocalyptic number.

It is an amenable number.

2906985 is a deficient number, since it is larger than the sum of its proper divisors (1744215).

2906985 is a wasteful number, since it uses less digits than its factorization.

2906985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193807.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2906985 is about 1704.9882697544. The cubic root of 2906985 is about 142.7187161477.

It can be divided in two parts, 290698 and 5, that added together give a triangular number (290703 = T₇₆₂).

The spelling of 2906985 in words is "two million, nine hundred six thousand, nine hundred eighty-five".