340412236 has 12 divisors (see below), whose sum is σ = 621622512. Its totient is φ = 162805808.

The previous prime is 340412207. The next prime is 340412239. The reversal of 340412236 is 632214043.

It is a self number, because there is not a number n which added to its sum of digits gives 340412236.

It is not an unprimeable number, because it can be changed into a prime (340412239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849975 + ... + 1850158.

It is an arithmetic number, because the mean of its divisors is an integer number (51801876).

Almost surely, 2^340412236 is an apocalyptic number.

It is an amenable number.

340412236 is a deficient number, since it is larger than the sum of its proper divisors (281210276).

340412236 is a wasteful number, since it uses less digits than its factorization.

340412236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700160 (or 3700158 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 340412236 is about 18450.2638463519. The cubic root of 340412236 is about 698.2351706047.

Adding to 340412236 its reverse (632214043), we get a palindrome (972626279).

The spelling of 340412236 in words is "three hundred forty million, four hundred twelve thousand, two hundred thirty-six".