32428685 has 8 divisors (see below), whose sum is σ = 38945016. Its totient is φ = 25922560.

The previous prime is 32428661. The next prime is 32428691. The reversal of 32428685 is 58682423.

It can be written as a sum of positive squares in 4 ways, for example, as 866761 + 31561924 = 931^2 + 5618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32428685 - 2⁶ = 32428621 is a prime.

It is a super-2 number, since 2×32428685² = 2103239221658450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 10877 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (4868127).

Almost surely, 2^32428685 is an apocalyptic number.

It is an amenable number.

32428685 is a deficient number, since it is larger than the sum of its proper divisors (6516331).

32428685 is a wasteful number, since it uses less digits than its factorization.

32428685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103.

The product of its digits is 92160, while the sum is 38.

The square root of 32428685 is about 5694.6189512557. The cubic root of 32428685 is about 318.8916243651.

The spelling of 32428685 in words is "thirty-two million, four hundred twenty-eight thousand, six hundred eighty-five".