32390001 has 12 divisors (see below), whose sum is σ = 53469312. Its totient is φ = 18508536.

The previous prime is 32389999. The next prime is 32390063. The reversal of 32390001 is 10009323.

It is not a de Polignac number, because 32390001 - 2¹ = 32389999 is a prime.

It is a super-2 number, since 2×32390001² = 2098224329560002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32390401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257001 + ... + 257126.

It is an arithmetic number, because the mean of its divisors is an integer number (4455776).

Almost surely, 2^32390001 is an apocalyptic number.

It is an amenable number.

32390001 is a deficient number, since it is larger than the sum of its proper divisors (21079311).

32390001 is a wasteful number, since it uses less digits than its factorization.

32390001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514140 (or 514137 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 32390001 is about 5691.2213979075. The cubic root of 32390001 is about 318.7647725564.

Adding to 32390001 its reverse (10009323), we get a palindrome (42399324).

The spelling of 32390001 in words is "thirty-two million, three hundred ninety thousand, one".