190993452 has 48 divisors (see below), whose sum is σ = 481750752. Its totient is φ = 58544640.

The previous prime is 190993447. The next prime is 190993469. The reversal of 190993452 is 254399091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41658 + ... + 46014.

It is an arithmetic number, because the mean of its divisors is an integer number (10036474).

Almost surely, 2^190993452 is an apocalyptic number.

190993452 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 190993452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240875376).

190993452 is an abundant number, since it is smaller than the sum of its proper divisors (290757300).

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

190993452 is a wasteful number, since it uses less digits than its factorization.

190993452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4656 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 190993452 is about 13820.0380607291. The cubic root of 190993452 is about 575.8899408738.

The spelling of 190993452 in words is "one hundred ninety million, nine hundred ninety-three thousand, four hundred fifty-two".