190340870 has 32 divisors (see below), whose sum is σ = 358318080. Its totient is φ = 72661600.

The previous prime is 190340851. The next prime is 190340881. The reversal of 190340870 is 78043091.

190340870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 164795 + ... + 165945.

It is an arithmetic number, because the mean of its divisors is an integer number (11197440).

Almost surely, 2^190340870 is an apocalyptic number.

190340870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190340870 is a deficient number, since it is larger than the sum of its proper divisors (167977210).

190340870 is a wasteful number, since it uses less digits than its factorization.

190340870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 190340870 is about 13796.4078658178. The cubic root of 190340870 is about 575.2332966353.

The spelling of 190340870 in words is "one hundred ninety million, three hundred forty thousand, eight hundred seventy".