103320439 has 4 divisors (see below), whose sum is σ = 107812656. Its totient is φ = 98828224.

The previous prime is 103320431. The next prime is 103320463. The reversal of 103320439 is 934023301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103320439 - 2³ = 103320431 is a prime.

It is a super-2 number, since 2×103320439² = 21350226230305442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103320431) 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, 2246074 + ... + 2246119.

It is an arithmetic number, because the mean of its divisors is an integer number (26953164).

Almost surely, 2^103320439 is an apocalyptic number.

103320439 is a deficient number, since it is larger than the sum of its proper divisors (4492217).

103320439 is an equidigital number, since it uses as much as digits as its factorization.

103320439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492216.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 103320439 is about 10164.6662020944. Note that the first 3 decimals coincide. The cubic root of 103320439 is about 469.2404193765.

The spelling of 103320439 in words is "one hundred three million, three hundred twenty thousand, four hundred thirty-nine".