190403530 has 16 divisors (see below), whose sum is σ = 343833984. Its totient is φ = 75915280.

The previous prime is 190403513. The next prime is 190403539. The reversal of 190403530 is 35304091.

It is a junction number, because it is equal to n+sod(n) for n = 190403495 and 190403504.

It is not an unprimeable number, because it can be changed into a prime (190403539) 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, 27502 + ... + 33721.

It is an arithmetic number, because the mean of its divisors is an integer number (21489624).

Almost surely, 2^190403530 is an apocalyptic number.

190403530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190403530 is a deficient number, since it is larger than the sum of its proper divisors (153430454).

190403530 is a wasteful number, since it uses less digits than its factorization.

190403530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61541.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 190403530 is about 13798.6785599201. The cubic root of 190403530 is about 575.2964117611.

The spelling of 190403530 in words is "one hundred ninety million, four hundred three thousand, five hundred thirty".