33408490 has 8 divisors (see below), whose sum is σ = 60135300. Its totient is φ = 13363392.

The previous prime is 33408461. The next prime is 33408499. The reversal of 33408490 is 9480433.

It can be written as a sum of positive squares in 2 ways, for example, as 32798529 + 609961 = 5727^2 + 781^2 .

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

It is a super-2 number, since 2×33408490² = 2232254408160200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33408499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670415 + ... + 1670434.

Almost surely, 2^33408490 is an apocalyptic number.

33408490 is a deficient number, since it is larger than the sum of its proper divisors (26726810).

33408490 is a wasteful number, since it uses less digits than its factorization.

33408490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340856.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 33408490 is about 5780.0077854619. The cubic root of 33408490 is about 322.0714898557.

The spelling of 33408490 in words is "thirty-three million, four hundred eight thousand, four hundred ninety".