26930434 has 4 divisors (see below), whose sum is σ = 40395654. Its totient is φ = 13465216.

The previous prime is 26930419. The next prime is 26930437. The reversal of 26930434 is 43403962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26574025 + 356409 = 5155^2 + 597^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 26930396 and 26930405.

It is not an unprimeable number, because it can be changed into a prime (26930437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732607 + ... + 6732610.

Almost surely, 2^26930434 is an apocalyptic number.

26930434 is a deficient number, since it is larger than the sum of its proper divisors (13465220).

26930434 is a wasteful number, since it uses less digits than its factorization.

26930434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13465219.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 26930434 is about 5189.4541138736. The cubic root of 26930434 is about 299.7421265493.

It can be divided in two parts, 269 and 30434, that added together give a palindrome (30703).

The spelling of 26930434 in words is "twenty-six million, nine hundred thirty thousand, four hundred thirty-four".