340021232 has 10 divisors (see below), whose sum is σ = 658791168. Its totient is φ = 170010608.

The previous prime is 340021229. The next prime is 340021243. The reversal of 340021232 is 232120043.

It is a super-2 number, since 2×340021232² = 231228876421595648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340021232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10625648 + ... + 10625679.

Almost surely, 2^340021232 is an apocalyptic number.

It is an amenable number.

340021232 is a deficient number, since it is larger than the sum of its proper divisors (318769936).

340021232 is a wasteful number, since it uses less digits than its factorization.

340021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251335 (or 21251329 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340021232 is about 18439.6646390329. The cubic root of 340021232 is about 697.9677327634.

Adding to 340021232 its reverse (232120043), we get a palindrome (572141275).

The spelling of 340021232 in words is "three hundred forty million, twenty-one thousand, two hundred thirty-two".