190001497 has 16 divisors (see below), whose sum is σ = 220302720. Its totient is φ = 160507008.

The previous prime is 190001489. The next prime is 190001507. The reversal of 190001497 is 794100091.

190001497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 190001497 - 2³ = 190001489 is a prime.

It is a super-2 number, since 2×190001497² = 72201137724482018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190001437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172653 + ... + 173749.

It is an arithmetic number, because the mean of its divisors is an integer number (13768920).

Almost surely, 2^190001497 is an apocalyptic number.

It is an amenable number.

190001497 is a deficient number, since it is larger than the sum of its proper divisors (30301223).

190001497 is a wasteful number, since it uses less digits than its factorization.

190001497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 190001497 is about 13784.1030538806. The cubic root of 190001497 is about 574.8912177324.

The spelling of 190001497 in words is "one hundred ninety million, one thousand, four hundred ninety-seven".