33421026 has 16 divisors (see below), whose sum is σ = 67010400. Its totient is φ = 11112288.

The previous prime is 33420991. The next prime is 33421067. The reversal of 33421026 is 62012433.

It is a happy number.

It is a super-2 number, since 2×33421026² = 2233929957785352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33420993 and 33421011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (4188150).

Almost surely, 2^33421026 is an apocalyptic number.

33421026 is an abundant number, since it is smaller than the sum of its proper divisors (33589374).

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

33421026 is a wasteful number, since it uses less digits than its factorization.

33421026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14033.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 33421026 is about 5781.0921113575. The cubic root of 33421026 is about 322.1117688716. Note that the first 3 decimals are identical.

Adding to 33421026 its reverse (62012433), we get a palindrome (95433459).

The spelling of 33421026 in words is "thirty-three million, four hundred twenty-one thousand, twenty-six".