2939942 has 8 divisors (see below), whose sum is σ = 4424232. Its totient is φ = 1465200.

The previous prime is 2939941. The next prime is 2939957. The reversal of 2939942 is 2499392.

2939942 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.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2939896 and 2939905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939941) by changing a digit.

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, 1559 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (553029).

2^2939942 is an apocalyptic number.

2939942 is a deficient number, since it is larger than the sum of its proper divisors (1484290).

2939942 is a wasteful number, since it uses less digits than its factorization.

2939942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774.

The product of its digits is 34992, while the sum is 38.

The square root of 2939942 is about 1714.6259067213. The cubic root of 2939942 is about 143.2560330743.

The spelling of 2939942 in words is "two million, nine hundred thirty-nine thousand, nine hundred forty-two".