2791429 has 2 divisors, whose sum is σ = 2791430. Its totient is φ = 2791428.

The previous prime is 2791409. The next prime is 2791463. The reversal of 2791429 is 9241972.

It is a happy number.

It is an a-pointer prime, because the next prime (2791463) can be obtained adding 2791429 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 859329 = 1390^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2791429 - 2¹⁵ = 2758661 is a prime.

2791429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2791394 and 2791403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2791409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395714 + 1395715.

It is an arithmetic number, because the mean of its divisors is an integer number (1395715).

2^2791429 is an apocalyptic number.

It is an amenable number.

2791429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791429 is an equidigital number, since it uses as much as digits as its factorization.

2791429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 2791429 is about 1670.7570140508. The cubic root of 2791429 is about 140.8020124164.

The spelling of 2791429 in words is "two million, seven hundred ninety-one thousand, four hundred twenty-nine".