10403890 has 16 divisors (see below), whose sum is σ = 21402432. Its totient is φ = 3567024.

The previous prime is 10403867. The next prime is 10403891. The reversal of 10403890 is 9830401.

It is not an unprimeable number, because it can be changed into a prime (10403891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74244 + ... + 74383.

It is an arithmetic number, because the mean of its divisors is an integer number (1337652).

Almost surely, 2^10403890 is an apocalyptic number.

10403890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10403890 is an abundant number, since it is smaller than the sum of its proper divisors (10998542).

10403890 is a wasteful number, since it uses less digits than its factorization.

10403890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148641.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10403890 is about 3225.5061618295. The cubic root of 10403890 is about 218.3057880808.

The spelling of 10403890 in words is "ten million, four hundred three thousand, eight hundred ninety".