32240819 has 4 divisors (see below), whose sum is σ = 34720896. Its totient is φ = 29760744.

The previous prime is 32240809. The next prime is 32240839. The reversal of 32240819 is 91804223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91804223 = 7 ⋅13114889.

It is not a de Polignac number, because 32240819 - 2⁸ = 32240563 is a prime.

It is a super-2 number, since 2×32240819² = 2078940819581522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32240791 and 32240800.

It is not an unprimeable number, because it can be changed into a prime (32240809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240019 + ... + 1240044.

It is an arithmetic number, because the mean of its divisors is an integer number (8680224).

Almost surely, 2^32240819 is an apocalyptic number.

32240819 is a deficient number, since it is larger than the sum of its proper divisors (2480077).

32240819 is a wasteful number, since it uses less digits than its factorization.

32240819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480076.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 32240819 is about 5678.0999462848. The cubic root of 32240819 is about 318.2746299167.

The spelling of 32240819 in words is "thirty-two million, two hundred forty thousand, eight hundred nineteen".