190435252 has 48 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 77004000.

The previous prime is 190435247. The next prime is 190435253. The reversal of 190435252 is 252534091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190435253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164877 + ... + 166027.

It is an arithmetic number, because the mean of its divisors is an integer number (8386560).

Almost surely, 2^190435252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190435252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201277440).

190435252 is an abundant number, since it is smaller than the sum of its proper divisors (212119628).

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

190435252 is a wasteful number, since it uses less digits than its factorization.

190435252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 190435252 is about 13799.8279699422. The cubic root of 190435252 is about 575.3283588918.

The spelling of 190435252 in words is "one hundred ninety million, four hundred thirty-five thousand, two hundred fifty-two".