33494290 has 8 divisors (see below), whose sum is σ = 60289740. Its totient is φ = 13397712.

The previous prime is 33494269. The next prime is 33494297. The reversal of 33494290 is 9249433.

It can be written as a sum of positive squares in 2 ways, for example, as 30393169 + 3101121 = 5513^2 + 1761^2 .

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

It is a super-2 number, since 2×33494290² = 2243734925208200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33494297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674705 + ... + 1674724.

Almost surely, 2^33494290 is an apocalyptic number.

33494290 is a deficient number, since it is larger than the sum of its proper divisors (26795450).

33494290 is a wasteful number, since it uses less digits than its factorization.

33494290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349436.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 33494290 is about 5787.4251615032. The cubic root of 33494290 is about 322.3469698422.

The spelling of 33494290 in words is "thirty-three million, four hundred ninety-four thousand, two hundred ninety".