190004290 has 32 divisors (see below), whose sum is σ = 391501440. Its totient is φ = 65038464.

The previous prime is 190004281. The next prime is 190004299. The reversal of 190004290 is 92400091.

190004290 = 91² + 92² + ... + 829².

It is an interprime number because it is at equal distance from previous prime (190004281) and next prime (190004299).

It is a super-2 number, since 2×190004290² = 72203260436808200, which contains 22 as substring.

190004290 is a modest number, since divided by 4290 gives 190 as remainder.

It is not an unprimeable number, because it can be changed into a prime (190004299) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49894 + ... + 53566.

It is an arithmetic number, because the mean of its divisors is an integer number (12234420).

Almost surely, 2^190004290 is an apocalyptic number.

190004290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190004290 is an abundant number, since it is smaller than the sum of its proper divisors (201497150).

190004290 is a wasteful number, since it uses less digits than its factorization.

190004290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 190004290 is about 13784.2043658675. The cubic root of 190004290 is about 574.8940346634.

The spelling of 190004290 in words is "one hundred ninety million, four thousand, two hundred ninety".