2709942 has 8 divisors (see below), whose sum is σ = 5419896. Its totient is φ = 903312.

The previous prime is 2709923. The next prime is 2710003. The reversal of 2709942 is 2499072.

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

2709942 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225823 + ... + 225834.

It is an arithmetic number, because the mean of its divisors is an integer number (677487).

2^2709942 is an apocalyptic number.

2709942 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.

2709942 is a wasteful number, since it uses less digits than its factorization.

2709942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451662.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2709942 is about 1646.1901469757. The cubic root of 2709942 is about 139.4183692713.

The spelling of 2709942 in words is "two million, seven hundred nine thousand, nine hundred forty-two".