2981439 has 12 divisors (see below), whose sum is σ = 4323696. Its totient is φ = 1979712.

The previous prime is 2981437. The next prime is 2981449. The reversal of 2981439 is 9341892.

It is not a de Polignac number, because 2981439 - 2¹ = 2981437 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2542 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (360308).

2^2981439 is an apocalyptic number.

2981439 is a deficient number, since it is larger than the sum of its proper divisors (1342257).

2981439 is a wasteful number, since it uses less digits than its factorization.

2981439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1323 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2981439 is about 1726.6843950184. The cubic root of 2981439 is about 143.9269015569.

The spelling of 2981439 in words is "two million, nine hundred eighty-one thousand, four hundred thirty-nine".