21465094 has 8 divisors (see below), whose sum is σ = 36797328. Its totient is φ = 9199320.

The previous prime is 21465071. The next prime is 21465121. The reversal of 21465094 is 49056412.

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

It is a congruent number.

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, 766597 + ... + 766624.

It is an arithmetic number, because the mean of its divisors is an integer number (4599666).

Almost surely, 2^21465094 is an apocalyptic number.

21465094 is a deficient number, since it is larger than the sum of its proper divisors (15332234).

21465094 is a wasteful number, since it uses less digits than its factorization.

21465094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533230.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 21465094 is about 4633.0437079743. The cubic root of 21465094 is about 277.9143241325.

The spelling of 21465094 in words is "twenty-one million, four hundred sixty-five thousand, ninety-four".