26428582 has 16 divisors (see below), whose sum is σ = 42859440. Its totient is φ = 12179808.

The previous prime is 26428513. The next prime is 26428583. The reversal of 26428582 is 28582462.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26428583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7993 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (2678715).

Almost surely, 2^26428582 is an apocalyptic number.

26428582 is a deficient number, since it is larger than the sum of its proper divisors (16430858).

26428582 is a wasteful number, since it uses less digits than its factorization.

26428582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18855.

The product of its digits is 61440, while the sum is 37.

The square root of 26428582 is about 5140.8736611592. The cubic root of 26428582 is about 297.8685290070.

The spelling of 26428582 in words is "twenty-six million, four hundred twenty-eight thousand, five hundred eighty-two".