103321408 has 14 divisors (see below), whose sum is σ = 205028546. Its totient is φ = 51660672.

The previous prime is 103321367. The next prime is 103321409. The reversal of 103321408 is 804123301.

It can be written as a sum of positive squares in only one way, i.e., 70694464 + 32626944 = 8408^2 + 5712^2 .

It is a super-2 number, since 2×103321408² = 21350626702204928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807135 + ... + 807262.

Almost surely, 2^103321408 is an apocalyptic number.

It is an amenable number.

103321408 is a deficient number, since it is larger than the sum of its proper divisors (101707138).

103321408 is an equidigital number, since it uses as much as digits as its factorization.

103321408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614409 (or 1614399 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 103321408 is about 10164.7138670993. The cubic root of 103321408 is about 469.2418863097.

Adding to 103321408 its reverse (804123301), we get a palindrome (907444709).

The spelling of 103321408 in words is "one hundred three million, three hundred twenty-one thousand, four hundred eight".