26989470 has 32 divisors (see below), whose sum is σ = 71972640. Its totient is φ = 7197120.

The previous prime is 26989463. The next prime is 26989483. The reversal of 26989470 is 7498962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49711 + ... + 50250.

It is an arithmetic number, because the mean of its divisors is an integer number (2249145).

Almost surely, 2^26989470 is an apocalyptic number.

26989470 is an abundant number, since it is smaller than the sum of its proper divisors (44983170).

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

26989470 is a wasteful number, since it uses less digits than its factorization.

26989470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99977 (or 99971 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 26989470 is about 5195.1390741731. The cubic root of 26989470 is about 299.9609949289.

The spelling of 26989470 in words is "twenty-six million, nine hundred eighty-nine thousand, four hundred seventy".