21076626 has 8 divisors (see below), whose sum is σ = 42153264. Its totient is φ = 7025540.

The previous prime is 21076619. The next prime is 21076631. The reversal of 21076626 is 62667012.

It is a sphenic number, since it is the product of 3 distinct primes.

21076626 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21076593 and 21076602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756380 + ... + 1756391.

It is an arithmetic number, because the mean of its divisors is an integer number (5269158).

Almost surely, 2^21076626 is an apocalyptic number.

21076626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21076626 is a wasteful number, since it uses less digits than its factorization.

21076626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512776.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 21076626 is about 4590.9286642247. The cubic root of 21076626 is about 276.2275743280.

The spelling of 21076626 in words is "twenty-one million, seventy-six thousand, six hundred twenty-six".