33992990 has 8 divisors (see below), whose sum is σ = 61187400. Its totient is φ = 13597192.

The previous prime is 33992983. The next prime is 33993041. The reversal of 33992990 is 9929933.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699640 + ... + 1699659.

It is an arithmetic number, because the mean of its divisors is an integer number (7648425).

Almost surely, 2^33992990 is an apocalyptic number.

33992990 is a deficient number, since it is larger than the sum of its proper divisors (27194410).

33992990 is a wasteful number, since it uses less digits than its factorization.

33992990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399306.

The product of its (nonzero) digits is 118098, while the sum is 44.

The square root of 33992990 is about 5830.3507613179. The cubic root of 33992990 is about 323.9389142065.

It can be divided in two parts, 3 and 3992990, that added together give a palindrome (3992993).

The spelling of 33992990 in words is "thirty-three million, nine hundred ninety-two thousand, nine hundred ninety".