103390434 has 24 divisors (see below), whose sum is σ = 256014720. Its totient is φ = 29540088.

The previous prime is 103390429. The next prime is 103390471. The reversal of 103390434 is 434093301.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103390398 and 103390407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410154 + ... + 410405.

It is an arithmetic number, because the mean of its divisors is an integer number (10667280).

Almost surely, 2^103390434 is an apocalyptic number.

103390434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103390434 is an abundant number, since it is smaller than the sum of its proper divisors (152624286).

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

103390434 is a wasteful number, since it uses less digits than its factorization.

103390434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820574 (or 820571 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 103390434 is about 10168.1086736915. The cubic root of 103390434 is about 469.3463586252.

The spelling of 103390434 in words is "one hundred three million, three hundred ninety thousand, four hundred thirty-four".