26961420 has 48 divisors (see below), whose sum is σ = 75908448. Its totient is φ = 7150080.

The previous prime is 26961397. The next prime is 26961421. The reversal of 26961420 is 2416962.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26961421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10680 + ... + 12960.

It is an arithmetic number, because the mean of its divisors is an integer number (1581426).

Almost surely, 2^26961420 is an apocalyptic number.

26961420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26961420 is an abundant number, since it is smaller than the sum of its proper divisors (48947028).

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

26961420 is a wasteful number, since it uses less digits than its factorization.

26961420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 26961420 is about 5192.4387333892. The cubic root of 26961420 is about 299.8570429996.

The spelling of 26961420 in words is "twenty-six million, nine hundred sixty-one thousand, four hundred twenty".