2791426 has 16 divisors (see below), whose sum is σ = 4716288. Its totient is φ = 1227600.

The previous prime is 2791409. The next prime is 2791429. The reversal of 2791426 is 6241972.

It is a super-2 number, since 2×2791426² = 15584118226952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2791429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (294768).

2^2791426 is an apocalyptic number.

2791426 is a deficient number, since it is larger than the sum of its proper divisors (1924862).

2791426 is a wasteful number, since it uses less digits than its factorization.

2791426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137.

The product of its digits is 6048, while the sum is 31.

The square root of 2791426 is about 1670.7561162540. The cubic root of 2791426 is about 140.8019619755.

The spelling of 2791426 in words is "two million, seven hundred ninety-one thousand, four hundred twenty-six".