32990434 has 16 divisors (see below), whose sum is σ = 50397120. Its totient is φ = 16193520.

The previous prime is 32990393. The next prime is 32990437. The reversal of 32990434 is 43409923.

32990434 = 85² + 86² + ... + 463².

It is a self number, because there is not a number n which added to its sum of digits gives 32990434.

It is not an unprimeable number, because it can be changed into a prime (32990437) 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, 53512 + ... + 54124.

It is an arithmetic number, because the mean of its divisors is an integer number (3149820).

Almost surely, 2^32990434 is an apocalyptic number.

32990434 is a deficient number, since it is larger than the sum of its proper divisors (17406686).

32990434 is a wasteful number, since it uses less digits than its factorization.

32990434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 32990434 is about 5743.7299727616. The cubic root of 32990434 is about 320.7224367989.

The spelling of 32990434 in words is "thirty-two million, nine hundred ninety thousand, four hundred thirty-four".