26430494 has 4 divisors (see below), whose sum is σ = 39645744. Its totient is φ = 13215246.

The previous prime is 26430487. The next prime is 26430499. The reversal of 26430494 is 49403462.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26430494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26430499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607622 + ... + 6607625.

It is an arithmetic number, because the mean of its divisors is an integer number (9911436).

Almost surely, 2^26430494 is an apocalyptic number.

26430494 is a deficient number, since it is larger than the sum of its proper divisors (13215250).

26430494 is a wasteful number, since it uses less digits than its factorization.

26430494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215249.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 26430494 is about 5141.0596184055. The cubic root of 26430494 is about 297.8757120244.

The spelling of 26430494 in words is "twenty-six million, four hundred thirty thousand, four hundred ninety-four".