190234464 has 144 divisors (see below), whose sum is σ = 597140208. Its totient is φ = 52835328.

The previous prime is 190234463. The next prime is 190234477. The reversal of 190234464 is 464432091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190234463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173502 + ... + 174594.

It is an arithmetic number, because the mean of its divisors is an integer number (4146807).

Almost surely, 2^190234464 is an apocalyptic number.

190234464 is a gapful number since it is divisible by the number (14) 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 190234464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298570104).

190234464 is an abundant number, since it is smaller than the sum of its proper divisors (406905744).

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

190234464 is a wasteful number, since it uses less digits than its factorization.

190234464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 190234464 is about 13792.5510330758. The cubic root of 190234464 is about 575.1260860234.

The spelling of 190234464 in words is "one hundred ninety million, two hundred thirty-four thousand, four hundred sixty-four".