190437047 has 2 divisors, whose sum is σ = 190437048. Its totient is φ = 190437046.

The previous prime is 190437031. The next prime is 190437083. The reversal of 190437047 is 740734091.

It is a weak prime.

It is an emirp because it is prime and its reverse (740734091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190437047 - 2⁴ = 190437031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190436998 and 190437016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190437007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95218523 + 95218524.

It is an arithmetic number, because the mean of its divisors is an integer number (95218524).

Almost surely, 2^190437047 is an apocalyptic number.

190437047 is a deficient number, since it is larger than the sum of its proper divisors (1).

190437047 is an equidigital number, since it uses as much as digits as its factorization.

190437047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 190437047 is about 13799.8930068316. The cubic root of 190437047 is about 575.3301665249.

The spelling of 190437047 in words is "one hundred ninety million, four hundred thirty-seven thousand, forty-seven".