190479438 has 96 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 59914080.

The previous prime is 190479437. The next prime is 190479451. The reversal of 190479438 is 834974091.

It is a junction number, because it is equal to n+sod(n) for n = 190479393 and 190479402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190479437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 707968 + ... + 708236.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2^190479438 is an apocalyptic number.

190479438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190479438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226437120).

190479438 is an abundant number, since it is smaller than the sum of its proper divisors (262394802).

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

190479438 is a wasteful number, since it uses less digits than its factorization.

190479438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 190479438 is about 13801.4288390731. The cubic root of 190479438 is about 575.3728525674.

The spelling of 190479438 in words is "one hundred ninety million, four hundred seventy-nine thousand, four hundred thirty-eight".