2994739 has 4 divisors (see below), whose sum is σ = 3267000. Its totient is φ = 2722480.

The previous prime is 2994731. The next prime is 2994757. The reversal of 2994739 is 9374992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2994739 - 2³ = 2994731 is a prime.

It is an Ulam number.

2994739 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2994695 and 2994704.

It is not an unprimeable number, because it can be changed into a prime (2994731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136114 + ... + 136135.

It is an arithmetic number, because the mean of its divisors is an integer number (816750).

2^2994739 is an apocalyptic number.

2994739 is a deficient number, since it is larger than the sum of its proper divisors (272261).

2994739 is a wasteful number, since it uses less digits than its factorization.

2994739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272260.

The product of its digits is 122472, while the sum is 43.

The square root of 2994739 is about 1730.5314212692. The cubic root of 2994739 is about 144.1406002004.

The spelling of 2994739 in words is "two million, nine hundred ninety-four thousand, seven hundred thirty-nine".