190802830 has 16 divisors (see below), whose sum is σ = 354524544. Its totient is φ = 73859040.

The previous prime is 190802827. The next prime is 190802831. The reversal of 190802830 is 38208091.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 190802792 and 190802801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190802831) 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, 307437 + ... + 308056.

It is an arithmetic number, because the mean of its divisors is an integer number (22157784).

Almost surely, 2^190802830 is an apocalyptic number.

190802830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190802830 is a deficient number, since it is larger than the sum of its proper divisors (163721714).

190802830 is a wasteful number, since it uses less digits than its factorization.

190802830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615531.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 190802830 is about 13813.1397589397. The cubic root of 190802830 is about 575.6982871239.

The spelling of 190802830 in words is "one hundred ninety million, eight hundred two thousand, eight hundred thirty".