32426661 has 4 divisors (see below), whose sum is σ = 43235552. Its totient is φ = 21617772.

The previous prime is 32426659. The next prime is 32426699. The reversal of 32426661 is 16662423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16662423 = 3 ⋅5554141.

It is not a de Polignac number, because 32426661 - 2¹ = 32426659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32426621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404441 + ... + 5404446.

It is an arithmetic number, because the mean of its divisors is an integer number (10808888).

Almost surely, 2^32426661 is an apocalyptic number.

It is an amenable number.

32426661 is a deficient number, since it is larger than the sum of its proper divisors (10808891).

32426661 is a wasteful number, since it uses less digits than its factorization.

32426661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808890.

The product of its digits is 10368, while the sum is 30.

The square root of 32426661 is about 5694.4412368555. The cubic root of 32426661 is about 318.8849898060.

The spelling of 32426661 in words is "thirty-two million, four hundred twenty-six thousand, six hundred sixty-one".