190385707 has 4 divisors (see below), whose sum is σ = 192270816. Its totient is φ = 188500600.

The previous prime is 190385687. The next prime is 190385729. The reversal of 190385707 is 707583091.

190385707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190385707 - 2¹¹ = 190383659 is a prime.

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 190385707.

It is not an unprimeable number, because it can be changed into a prime (190385777) 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, 942403 + ... + 942604.

It is an arithmetic number, because the mean of its divisors is an integer number (48067704).

Almost surely, 2^190385707 is an apocalyptic number.

190385707 is a deficient number, since it is larger than the sum of its proper divisors (1885109).

190385707 is a wasteful number, since it uses less digits than its factorization.

190385707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885108.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 190385707 is about 13798.0327220948. The cubic root of 190385707 is about 575.2784607146.

The spelling of 190385707 in words is "one hundred ninety million, three hundred eighty-five thousand, seven hundred seven".