340472686 has 8 divisors (see below), whose sum is σ = 514091664. Its totient is φ = 169108800.

The previous prime is 340472681. The next prime is 340472701. The reversal of 340472686 is 686274043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×340472686³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340472681) 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, 563395 + ... + 563998.

It is an arithmetic number, because the mean of its divisors is an integer number (64261458).

Almost surely, 2^340472686 is an apocalyptic number.

340472686 is a deficient number, since it is larger than the sum of its proper divisors (173618978).

340472686 is a wasteful number, since it uses less digits than its factorization.

340472686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127546.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 340472686 is about 18451.9019615865. The cubic root of 340472686 is about 698.2764987488.

The spelling of 340472686 in words is "three hundred forty million, four hundred seventy-two thousand, six hundred eighty-six".