26839970 has 16 divisors (see below), whose sum is σ = 50855040. Its totient is φ = 10170864.

The previous prime is 26839963. The next prime is 26839973. The reversal of 26839970 is 7993862.

It is not an unprimeable number, because it can be changed into a prime (26839973) 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, 70442 + ... + 70821.

It is an arithmetic number, because the mean of its divisors is an integer number (3178440).

Almost surely, 2^26839970 is an apocalyptic number.

26839970 is a deficient number, since it is larger than the sum of its proper divisors (24015070).

26839970 is a wasteful number, since it uses less digits than its factorization.

26839970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141289.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 26839970 is about 5180.7306434518. The cubic root of 26839970 is about 299.4061214329.

The spelling of 26839970 in words is "twenty-six million, eight hundred thirty-nine thousand, nine hundred seventy".