340069506 has 24 divisors (see below), whose sum is σ = 791182800. Its totient is φ = 97162632.

The previous prime is 340069501. The next prime is 340069507. The reversal of 340069506 is 605960043.

It is a happy number.

It is a super-2 number, since 2×340069506² = 231294537822168072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340069501) 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, 578056 + ... + 578643.

It is an arithmetic number, because the mean of its divisors is an integer number (32965950).

Almost surely, 2^340069506 is an apocalyptic number.

340069506 is an abundant number, since it is smaller than the sum of its proper divisors (451113294).

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

340069506 is a wasteful number, since it uses less digits than its factorization.

340069506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156718 (or 1156711 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 340069506 is about 18440.9735643214. The cubic root of 340069506 is about 698.0007621713. Note that the first 3 decimals are identical.

The spelling of 340069506 in words is "three hundred forty million, sixty-nine thousand, five hundred six".