190861374 has 32 divisors (see below), whose sum is σ = 424289664. Its totient is φ = 56744480.

The previous prime is 190861361. The next prime is 190861387. The reversal of 190861374 is 473168091.

190861374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190861361) and next prime (190861387).

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, 23784 + ... + 30779.

It is an arithmetic number, because the mean of its divisors is an integer number (13259052).

Almost surely, 2^190861374 is an apocalyptic number.

190861374 is an abundant number, since it is smaller than the sum of its proper divisors (233428290).

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

190861374 is a wasteful number, since it uses less digits than its factorization.

190861374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54632.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 190861374 is about 13815.2587380765. The cubic root of 190861374 is about 575.7571615722.

The spelling of 190861374 in words is "one hundred ninety million, eight hundred sixty-one thousand, three hundred seventy-four".