190424207 has 4 divisors (see below), whose sum is σ = 192834720. Its totient is φ = 188013696.

The previous prime is 190424197. The next prime is 190424219. The reversal of 190424207 is 702424091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702424091 = 19 ⋅36969689.

It is a cyclic number.

It is not a de Polignac number, because 190424207 - 2⁸ = 190423951 is a prime.

It is a super-2 number, since 2×190424207² = 72522757223157698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190424207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190424257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205138 + ... + 1205295.

It is an arithmetic number, because the mean of its divisors is an integer number (48208680).

Almost surely, 2^190424207 is an apocalyptic number.

190424207 is a deficient number, since it is larger than the sum of its proper divisors (2410513).

190424207 is an equidigital number, since it uses as much as digits as its factorization.

190424207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410512.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 190424207 is about 13799.4277779914. The cubic root of 190424207 is about 575.3172359082.

Adding to 190424207 its reverse (702424091), we get a palindrome (892848298).

The spelling of 190424207 in words is "one hundred ninety million, four hundred twenty-four thousand, two hundred seven".