2539426 has 16 divisors (see below), whose sum is σ = 4246560. Its totient is φ = 1131840.

The previous prime is 2539423. The next prime is 2539429. The reversal of 2539426 is 6249352.

It is an interprime number because it is at equal distance from previous prime (2539423) and next prime (2539429).

It is not an unprimeable number, because it can be changed into a prime (2539423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (265410).

2^2539426 is an apocalyptic number.

2539426 is a deficient number, since it is larger than the sum of its proper divisors (1707134).

2539426 is a wasteful number, since it uses less digits than its factorization.

2539426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969.

The product of its digits is 12960, while the sum is 31.

The square root of 2539426 is about 1593.5576550599. The cubic root of 2539426 is about 136.4306203705.

The spelling of 2539426 in words is "two million, five hundred thirty-nine thousand, four hundred twenty-six".