33344990 has 48 divisors (see below), whose sum is σ = 73945872. Its totient is φ = 10757376.

The previous prime is 33344977. The next prime is 33344999. The reversal of 33344990 is 9944333.

It is a super-2 number, since 2×33344990² = 2223776716200200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 33344990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33344999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6329 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (1540539).

Almost surely, 2^33344990 is an apocalyptic number.

33344990 is an abundant number, since it is smaller than the sum of its proper divisors (40600882).

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

33344990 is a wasteful number, since it uses less digits than its factorization.

33344990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 33344990 is about 5774.5121006021. The cubic root of 33344990 is about 321.8673051229.

The spelling of 33344990 in words is "thirty-three million, three hundred forty-four thousand, nine hundred ninety".