33190830 has 32 divisors (see below), whose sum is σ = 88509600. Its totient is φ = 8850816.

The previous prime is 33190811. The next prime is 33190841. The reversal of 33190830 is 3809133.

It is a super-2 number, since 2×33190830² = 2203262392177800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33190794 and 33190803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61195 + ... + 61734.

It is an arithmetic number, because the mean of its divisors is an integer number (2765925).

Almost surely, 2^33190830 is an apocalyptic number.

33190830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33190830 is an abundant number, since it is smaller than the sum of its proper divisors (55318770).

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

33190830 is a wasteful number, since it uses less digits than its factorization.

33190830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122945 (or 122939 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 33190830 is about 5761.1483230342. The cubic root of 33190830 is about 321.3705215803.

Adding to 33190830 its reverse (3809133), we get a palindrome (36999963).

The spelling of 33190830 in words is "thirty-three million, one hundred ninety thousand, eight hundred thirty".