2779142 has 8 divisors (see below), whose sum is σ = 4175976. Its totient is φ = 1387152.

The previous prime is 2779129. The next prime is 2779151. The reversal of 2779142 is 2419772.

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

It is a junction number, because it is equal to n+sod(n) for n = 2779099 and 2779108.

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, 1133 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (521997).

2^2779142 is an apocalyptic number.

2779142 is a deficient number, since it is larger than the sum of its proper divisors (1396834).

2779142 is a wasteful number, since it uses less digits than its factorization.

2779142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422.

The product of its digits is 7056, while the sum is 32.

The square root of 2779142 is about 1667.0758830959. The cubic root of 2779142 is about 140.5951197090.

The spelling of 2779142 in words is "two million, seven hundred seventy-nine thousand, one hundred forty-two".