26434830 has 48 divisors (see below), whose sum is σ = 67417200. Its totient is φ = 6632448.

The previous prime is 26434829. The next prime is 26434841. The reversal of 26434830 is 3843462.

26434830 = T₂₇₅ + T₂₇₆ + ... + T₅₆₃.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7146 + ... + 10194.

It is an arithmetic number, because the mean of its divisors is an integer number (1404525).

Almost surely, 2^26434830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26434830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33708600).

26434830 is an abundant number, since it is smaller than the sum of its proper divisors (40982370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26434830 is a wasteful number, since it uses less digits than its factorization.

26434830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 26434830 is about 5141.4813040601. The cubic root of 26434830 is about 297.8920002616.

The spelling of 26434830 in words is "twenty-six million, four hundred thirty-four thousand, eight hundred thirty".