2427939 has 12 divisors (see below), whose sum is σ = 3543072. Its totient is φ = 1602000.

The previous prime is 2427911. The next prime is 2427947. The reversal of 2427939 is 9397242.

It is not a de Polignac number, because 2427939 - 2⁸ = 2427683 is a prime.

2427939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2427989) 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, 427 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (295256).

2^2427939 is an apocalyptic number.

2427939 is a deficient number, since it is larger than the sum of its proper divisors (1115133).

2427939 is a wasteful number, since it uses less digits than its factorization.

2427939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778 (or 2775 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2427939 is about 1558.1845205238. The cubic root of 2427939 is about 134.4041226945.

The spelling of 2427939 in words is "two million, four hundred twenty-seven thousand, nine hundred thirty-nine".