190038000 has 160 divisors (see below), whose sum is σ = 645315840. Its totient is φ = 47980800.

The previous prime is 190037999. The next prime is 190038001. The reversal of 190038000 is 830091.

It is an interprime number because it is at equal distance from previous prime (190037999) and next prime (190038001).

It is a super-2 number, since 2×190038000² = 72228882888000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190038001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113167 + ... + 114833.

It is an arithmetic number, because the mean of its divisors is an integer number (4033224).

Almost surely, 2^190038000 is an apocalyptic number.

190038000 is a gapful number since it is divisible by the number (10) 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 190038000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322657920).

190038000 is an abundant number, since it is smaller than the sum of its proper divisors (455277840).

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

190038000 is a wasteful number, since it uses less digits than its factorization.

190038000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 190038000 is about 13785.4270880521. The cubic root of 190038000 is about 574.9280313202.

Adding to 190038000 its reverse (830091), we get a palindrome (190868091).

The spelling of 190038000 in words is "one hundred ninety million, thirty-eight thousand".