33494380 has 24 divisors (see below), whose sum is σ = 70792848. Its totient is φ = 13311168.

The previous prime is 33494347. The next prime is 33494387. The reversal of 33494380 is 8349433.

It is a super-2 number, since 2×33494380² = 2243746983168800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33494387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (2949702).

Almost surely, 2^33494380 is an apocalyptic number.

It is an amenable number.

33494380 is an abundant number, since it is smaller than the sum of its proper divisors (37298468).

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

33494380 is a wasteful number, since it uses less digits than its factorization.

33494380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833 (or 10831 counting only the distinct ones).

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

The square root of 33494380 is about 5787.4329369765. The cubic root of 33494380 is about 322.3472585601.

The spelling of 33494380 in words is "thirty-three million, four hundred ninety-four thousand, three hundred eighty".