32421364 has 6 divisors (see below), whose sum is σ = 56737394. Its totient is φ = 16210680.

The previous prime is 32421343. The next prime is 32421373. The reversal of 32421364 is 46312423.

It can be written as a sum of positive squares in only one way, i.e., 32398864 + 22500 = 5692^2 + 150^2 .

It is a super-2 number, since 2×32421364² = 2102289687240992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4052667 + ... + 4052674.

Almost surely, 2^32421364 is an apocalyptic number.

It is an amenable number.

32421364 is a deficient number, since it is larger than the sum of its proper divisors (24316030).

32421364 is a wasteful number, since it uses less digits than its factorization.

32421364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105345 (or 8105343 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 32421364 is about 5693.9761151589. The cubic root of 32421364 is about 318.8676252288.

Adding to 32421364 its reverse (46312423), we get a palindrome (78733787).

The spelling of 32421364 in words is "thirty-two million, four hundred twenty-one thousand, three hundred sixty-four".