21354802 has 8 divisors (see below), whose sum is σ = 36608256. Its totient is φ = 9152052.

The previous prime is 21354799. The next prime is 21354847. The reversal of 21354802 is 20845312.

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

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, 762658 + ... + 762685.

It is an arithmetic number, because the mean of its divisors is an integer number (4576032).

Almost surely, 2^21354802 is an apocalyptic number.

21354802 is a deficient number, since it is larger than the sum of its proper divisors (15253454).

21354802 is a wasteful number, since it uses less digits than its factorization.

21354802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525352.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 21354802 is about 4621.1256204522. The cubic root of 21354802 is about 277.4375131874.

The spelling of 21354802 in words is "twenty-one million, three hundred fifty-four thousand, eight hundred two".