26398070 has 16 divisors (see below), whose sum is σ = 47794320. Its totient is φ = 10497504.

The previous prime is 26398069. The next prime is 26398079. The reversal of 26398070 is 7089362.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26398070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26398079) 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, 5900 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (2987145).

Almost surely, 2^26398070 is an apocalyptic number.

26398070 is a deficient number, since it is larger than the sum of its proper divisors (21396250).

26398070 is a wasteful number, since it uses less digits than its factorization.

26398070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15439.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 26398070 is about 5137.9052151631. The cubic root of 26398070 is about 297.7538543667.

The spelling of 26398070 in words is "twenty-six million, three hundred ninety-eight thousand, seventy".