191000652 has 24 divisors (see below), whose sum is σ = 452321856. Its totient is φ = 62716368.

The previous prime is 191000633. The next prime is 191000659. The reversal of 191000652 is 256000191.

It is not an unprimeable number, because it can be changed into a prime (191000659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117978 + ... + 119585.

It is an arithmetic number, because the mean of its divisors is an integer number (18846744).

Almost surely, 2^191000652 is an apocalyptic number.

191000652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

191000652 is an abundant number, since it is smaller than the sum of its proper divisors (261321204).

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

191000652 is a wasteful number, since it uses less digits than its factorization.

191000652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237637 (or 237635 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 191000652 is about 13820.2985495973. The cubic root of 191000652 is about 575.8971773444.

The spelling of 191000652 in words is "one hundred ninety-one million, six hundred fifty-two", and thus it is an aban number.