190397952 has 100 divisors (see below), whose sum is σ = 568411536. Its totient is φ = 63452160.

The previous prime is 190397929. The next prime is 190397969. The reversal of 190397952 is 259793091.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 190397898 and 190397907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39177 + ... + 43767.

Almost surely, 2^190397952 is an apocalyptic number.

190397952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190397952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284205768).

190397952 is an abundant number, since it is smaller than the sum of its proper divisors (378013584).

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

190397952 is an frugal number, since it uses more digits than its factorization.

190397952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621 (or 4596 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 190397952 is about 13798.4764376361. The cubic root of 190397952 is about 575.2907938073.

The spelling of 190397952 in words is "one hundred ninety million, three hundred ninety-seven thousand, nine hundred fifty-two".