190537506 has 12 divisors (see below), whose sum is σ = 412831302. Its totient is φ = 63512496.

The previous prime is 190537499. The next prime is 190537507. The reversal of 190537506 is 605735091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133610481 + 56927025 = 11559^2 + 7545^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (190537507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5292691 + ... + 5292726.

Almost surely, 2^190537506 is an apocalyptic number.

190537506 is an abundant number, since it is smaller than the sum of its proper divisors (222293796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190537506 is a wasteful number, since it uses less digits than its factorization.

190537506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585425 (or 10585422 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 190537506 is about 13803.5323739976. The cubic root of 190537506 is about 575.4313144442.

The spelling of 190537506 in words is "one hundred ninety million, five hundred thirty-seven thousand, five hundred six".