190248438 has 8 divisors (see below), whose sum is σ = 380496888. Its totient is φ = 63416144.

The previous prime is 190248437. The next prime is 190248449. The reversal of 190248438 is 834842091.

It is a sphenic number, since it is the product of 3 distinct primes.

190248438 is an admirable number.

It is a super-2 number, since 2×190248438² = 72388936322879688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190248396 and 190248405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190248437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15854031 + ... + 15854042.

It is an arithmetic number, because the mean of its divisors is an integer number (47562111).

Almost surely, 2^190248438 is an apocalyptic number.

190248438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190248438 is a wasteful number, since it uses less digits than its factorization.

190248438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31708078.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 190248438 is about 13793.0576015617. The cubic root of 190248438 is about 575.1401679708.

The spelling of 190248438 in words is "one hundred ninety million, two hundred forty-eight thousand, four hundred thirty-eight".