26620469 has 8 divisors (see below), whose sum is σ = 27396792. Its totient is φ = 25854400.

The previous prime is 26620457. The next prime is 26620481. The reversal of 26620469 is 96402662.

It is an interprime number because it is at equal distance from previous prime (26620457) and next prime (26620481).

It can be written as a sum of positive squares in 4 ways, for example, as 15697444 + 10923025 = 3962^2 + 3305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26620469 is a prime.

It is a super-2 number, since 2×26620469² = 1417298739559922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26620169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867 + ... + 7839.

It is an arithmetic number, because the mean of its divisors is an integer number (3424599).

Almost surely, 2^26620469 is an apocalyptic number.

It is an amenable number.

26620469 is a deficient number, since it is larger than the sum of its proper divisors (776323).

26620469 is a wasteful number, since it uses less digits than its factorization.

26620469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 26620469 is about 5159.5027861219. The cubic root of 26620469 is about 298.5876913439.

The spelling of 26620469 in words is "twenty-six million, six hundred twenty thousand, four hundred sixty-nine".