2939938 has 4 divisors (see below), whose sum is σ = 4409910. Its totient is φ = 1469968.

The previous prime is 2939917. The next prime is 2939941. The reversal of 2939938 is 8399392.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 305809 = 1623^2 + 553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2939894 and 2939903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734983 + ... + 734986.

2^2939938 is an apocalyptic number.

2939938 is a deficient number, since it is larger than the sum of its proper divisors (1469972).

2939938 is a wasteful number, since it uses less digits than its factorization.

2939938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469971.

The product of its digits is 104976, while the sum is 43.

The square root of 2939938 is about 1714.6247402858. The cubic root of 2939938 is about 143.2559681042.

The spelling of 2939938 in words is "two million, nine hundred thirty-nine thousand, nine hundred thirty-eight".