33490384 has 10 divisors (see below), whose sum is σ = 64887650. Its totient is φ = 16745184.

The previous prime is 33490381. The next prime is 33490393. The reversal of 33490384 is 48309433.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 7683984 = 5080^2 + 2772^2 .

It is a super-2 number, since 2×33490384² = 2243211640934912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33490381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046559 + ... + 1046590.

It is an arithmetic number, because the mean of its divisors is an integer number (6488765).

Almost surely, 2^33490384 is an apocalyptic number.

It is an amenable number.

33490384 is a deficient number, since it is larger than the sum of its proper divisors (31397266).

33490384 is a wasteful number, since it uses less digits than its factorization.

33490384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093157 (or 2093151 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 33490384 is about 5787.0876958968. The cubic root of 33490384 is about 322.3344389878.

The spelling of 33490384 in words is "thirty-three million, four hundred ninety thousand, three hundred eighty-four".