33986473 has 4 divisors (see below), whose sum is σ = 34231120. Its totient is φ = 33741828.

The previous prime is 33986467. The next prime is 33986483. The reversal of 33986473 is 37468933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37468933 = 53 ⋅706961.

It is a cyclic number.

It is not a de Polignac number, because 33986473 - 2⁵ = 33986441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33986413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122115 + ... + 122392.

It is an arithmetic number, because the mean of its divisors is an integer number (8557780).

Almost surely, 2^33986473 is an apocalyptic number.

It is an amenable number.

33986473 is a deficient number, since it is larger than the sum of its proper divisors (244647).

33986473 is a wasteful number, since it uses less digits than its factorization.

33986473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244646.

The product of its digits is 326592, while the sum is 43.

The square root of 33986473 is about 5829.7918487713. The cubic root of 33986473 is about 323.9182114594.

The spelling of 33986473 in words is "thirty-three million, nine hundred eighty-six thousand, four hundred seventy-three".