103891430 has 32 divisors (see below), whose sum is σ = 197532000. Its totient is φ = 39232512.

The previous prime is 103891429. The next prime is 103891451. The reversal of 103891430 is 34198301.

It is a junction number, because it is equal to n+sod(n) for n = 103891393 and 103891402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66296 + ... + 67844.

It is an arithmetic number, because the mean of its divisors is an integer number (6172875).

Almost surely, 2^103891430 is an apocalyptic number.

103891430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103891430 is a deficient number, since it is larger than the sum of its proper divisors (93640570).

103891430 is a wasteful number, since it uses less digits than its factorization.

103891430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 103891430 is about 10192.7145550143. The cubic root of 103891430 is about 470.1032367155.

The spelling of 103891430 in words is "one hundred three million, eight hundred ninety-one thousand, four hundred thirty".