33398425 has 12 divisors (see below), whose sum is σ = 42117840. Its totient is φ = 26264720.

The previous prime is 33398423. The next prime is 33398429. The reversal of 33398425 is 52489333.

It is not a de Polignac number, because 33398425 - 2¹ = 33398423 is a prime.

It is a super-2 number, since 2×33398425² = 2230909584961250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33398423) 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 11 ways as a sum of consecutive naturals, for example, 9847 + ... + 12796.

It is an arithmetic number, because the mean of its divisors is an integer number (3509820).

Almost surely, 2^33398425 is an apocalyptic number.

It is an amenable number.

33398425 is a deficient number, since it is larger than the sum of its proper divisors (8719415).

33398425 is a wasteful number, since it uses less digits than its factorization.

33398425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22712 (or 22707 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 33398425 is about 5779.1370463072. The cubic root of 33398425 is about 322.0391430367.

The spelling of 33398425 in words is "thirty-three million, three hundred ninety-eight thousand, four hundred twenty-five".