33425916 has 24 divisors (see below), whose sum is σ = 78349824. Its totient is φ = 11091120.

The previous prime is 33425879. The next prime is 33425929. The reversal of 33425916 is 61952433.

It is a super-2 number, since 2×33425916² = 2234583720878112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3570 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (3264576).

Almost surely, 2^33425916 is an apocalyptic number.

It is an amenable number.

33425916 is an abundant number, since it is smaller than the sum of its proper divisors (44923908).

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

33425916 is a wasteful number, since it uses less digits than its factorization.

33425916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721 (or 12719 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 33425916 is about 5781.5150263577. The cubic root of 33425916 is about 322.1274780416.

The spelling of 33425916 in words is "thirty-three million, four hundred twenty-five thousand, nine hundred sixteen".