33764985 has 32 divisors (see below), whose sum is σ = 60938880. Its totient is φ = 17734464.

The previous prime is 33764977. The next prime is 33764987. The reversal of 33764985 is 58946733.

It is not a de Polignac number, because 33764985 - 2³ = 33764977 is a prime.

It is a super-2 number, since 2×33764985² = 2280148424100450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 33764985.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33764987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7179 + ... + 10911.

It is an arithmetic number, because the mean of its divisors is an integer number (1904340).

Almost surely, 2^33764985 is an apocalyptic number.

It is an amenable number.

33764985 is a deficient number, since it is larger than the sum of its proper divisors (27173895).

33764985 is a wasteful number, since it uses less digits than its factorization.

33764985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3808 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 33764985 is about 5810.7645796401. The cubic root of 33764985 is about 323.2130248780.

The spelling of 33764985 in words is "thirty-three million, seven hundred sixty-four thousand, nine hundred eighty-five".