2939658 has 8 divisors (see below), whose sum is σ = 5879328. Its totient is φ = 979884.

The previous prime is 2939641. The next prime is 2939663. The reversal of 2939658 is 8569392.

2939658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2939658 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244966 + ... + 244977.

It is an arithmetic number, because the mean of its divisors is an integer number (734916).

2^2939658 is an apocalyptic number.

2939658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2939658 is a wasteful number, since it uses less digits than its factorization.

2939658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489948.

The product of its digits is 116640, while the sum is 42.

The square root of 2939658 is about 1714.5430878225. The cubic root of 2939658 is about 143.2514200554.

The spelling of 2939658 in words is "two million, nine hundred thirty-nine thousand, six hundred fifty-eight".