32997896 has 8 divisors (see below), whose sum is σ = 61871070. Its totient is φ = 16498944.

The previous prime is 32997871. The next prime is 32997931. The reversal of 32997896 is 69879923.

It can be written as a sum of positive squares in only one way, i.e., 32649796 + 348100 = 5714^2 + 590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×32997896² = 2177722280853632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062361 + ... + 2062376.

Almost surely, 2^32997896 is an apocalyptic number.

32997896 is the 3071-st centered heptagonal number.

It is an amenable number.

32997896 is a deficient number, since it is larger than the sum of its proper divisors (28873174).

32997896 is a wasteful number, since it uses less digits than its factorization.

32997896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124743 (or 4124739 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 32997896 is about 5744.3795139249. The cubic root of 32997896 is about 320.7466160343.

The spelling of 32997896 in words is "thirty-two million, nine hundred ninety-seven thousand, eight hundred ninety-six".