190467897 has 8 divisors (see below), whose sum is σ = 260821056. Its totient is φ = 123546672.

The previous prime is 190467883. The next prime is 190467961. The reversal of 190467897 is 798764091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190467897 - 2⁶ = 190467833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190467817) 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, 857853 + ... + 858074.

It is an arithmetic number, because the mean of its divisors is an integer number (32602632).

Almost surely, 2^190467897 is an apocalyptic number.

It is an amenable number.

190467897 is a deficient number, since it is larger than the sum of its proper divisors (70353159).

190467897 is a wasteful number, since it uses less digits than its factorization.

190467897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715967.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 190467897 is about 13801.0107238564. The cubic root of 190467897 is about 575.3612318692.

The spelling of 190467897 in words is "one hundred ninety million, four hundred sixty-seven thousand, eight hundred ninety-seven".