33440086 has 4 divisors (see below), whose sum is σ = 50160132. Its totient is φ = 16720042.

The previous prime is 33440081. The next prime is 33440101. The reversal of 33440086 is 68004433.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33440086² = 2236478703374792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8360020 + ... + 8360023.

It is an arithmetic number, because the mean of its divisors is an integer number (12540033).

Almost surely, 2^33440086 is an apocalyptic number.

33440086 is a deficient number, since it is larger than the sum of its proper divisors (16720046).

33440086 is a wasteful number, since it uses less digits than its factorization.

33440086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720045.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 33440086 is about 5782.7403538461. The cubic root of 33440086 is about 322.1729906464.

The spelling of 33440086 in words is "thirty-three million, four hundred forty thousand, eighty-six".