33488397 has 20 divisors (see below), whose sum is σ = 50498140. Its totient is φ = 22114944.

The previous prime is 33488381. The next prime is 33488407. The reversal of 33488397 is 79388433.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14356521 + 19131876 = 3789^2 + 4374^2 .

It is not a de Polignac number, because 33488397 - 2⁴ = 33488381 is a prime.

It is a super-2 number, since 2×33488397² = 2242945467259218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33480397) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6933 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (2524907).

Almost surely, 2^33488397 is an apocalyptic number.

It is an amenable number.

33488397 is a deficient number, since it is larger than the sum of its proper divisors (17009743).

33488397 is a wasteful number, since it uses less digits than its factorization.

33488397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914 (or 3905 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 33488397 is about 5786.9160180531. The cubic root of 33488397 is about 322.3280641112.

The spelling of 33488397 in words is "thirty-three million, four hundred eighty-eight thousand, three hundred ninety-seven".