21033098 has 8 divisors (see below), whose sum is σ = 31790880. Its totient is φ = 10436140.

The previous prime is 21033083. The next prime is 21033119. The reversal of 21033098 is 89033012.

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

It is a super-2 number, since 2×21033098² = 884782422955208, which contains 22 as substring.

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, 39878 + ... + 40401.

It is an arithmetic number, because the mean of its divisors is an integer number (3973860).

Almost surely, 2^21033098 is an apocalyptic number.

21033098 is a deficient number, since it is larger than the sum of its proper divisors (10757782).

21033098 is a wasteful number, since it uses less digits than its factorization.

21033098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80412.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 21033098 is about 4586.1855610082. The cubic root of 21033098 is about 276.0372857980.

The spelling of 21033098 in words is "twenty-one million, thirty-three thousand, ninety-eight".