26940398 has 4 divisors (see below), whose sum is σ = 40410600. Its totient is φ = 13470198.

The previous prime is 26940373. The next prime is 26940409. The reversal of 26940398 is 89304962.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6735098 + ... + 6735101.

It is an arithmetic number, because the mean of its divisors is an integer number (10102650).

Almost surely, 2^26940398 is an apocalyptic number.

26940398 is a deficient number, since it is larger than the sum of its proper divisors (13470202).

26940398 is a wasteful number, since it uses less digits than its factorization.

26940398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470201.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 26940398 is about 5190.4140489946. The cubic root of 26940398 is about 299.7790892199.

The spelling of 26940398 in words is "twenty-six million, nine hundred forty thousand, three hundred ninety-eight".