190490 has 16 divisors (see below), whose sum is σ = 351648. Its totient is φ = 74256.

The previous prime is 190471. The next prime is 190507. The reversal of 190490 is 94091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 651.

It is an arithmetic number, because the mean of its divisors is an integer number (21978).

2¹⁹⁰⁴⁹⁰ is an apocalyptic number.

190490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190490 is a deficient number, since it is larger than the sum of its proper divisors (161158).

190490 is a wasteful number, since it uses less digits than its factorization.

190490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 190490 is about 436.4516009823. The cubic root of 190490 is about 57.5383487094.

The spelling of 190490 in words is "one hundred ninety thousand, four hundred ninety".