103720446 has 32 divisors (see below), whose sum is σ = 235399680. Its totient is φ = 33837048.

The previous prime is 103720427. The next prime is 103720459. The reversal of 103720446 is 644027301.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 15 ways as a sum of consecutive naturals, for example, 17896 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (7356240).

Almost surely, 2^103720446 is an apocalyptic number.

103720446 is an abundant number, since it is smaller than the sum of its proper divisors (131679234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103720446 is a wasteful number, since it uses less digits than its factorization.

103720446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40925 (or 40919 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 103720446 is about 10184.3235416006. The cubic root of 103720446 is about 469.8451972455.

Adding to 103720446 its reverse (644027301), we get a palindrome (747747747).

The spelling of 103720446 in words is "one hundred three million, seven hundred twenty thousand, four hundred forty-six".