328787190 has 24 divisors (see below), whose sum is σ = 854846928. Its totient is φ = 87676560.

The previous prime is 328787189. The next prime is 328787197. The reversal of 328787190 is 91787823.

It is a super-2 number, since 2×328787190² = 216202032616192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328787197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1826506 + ... + 1826685.

It is an arithmetic number, because the mean of its divisors is an integer number (35618622).

Almost surely, 2^328787190 is an apocalyptic number.

328787190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328787190 is an abundant number, since it is smaller than the sum of its proper divisors (526059738).

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

328787190 is a wasteful number, since it uses less digits than its factorization.

328787190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653204 (or 3653201 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 328787190 is about 18132.4899007279. The cubic root of 328787190 is about 690.1947150534.

The spelling of 328787190 in words is "three hundred twenty-eight million, seven hundred eighty-seven thousand, one hundred ninety".