340437069 has 24 divisors (see below), whose sum is σ = 562802240. Its totient is φ = 194254848.

The previous prime is 340437067. The next prime is 340437077. The reversal of 340437069 is 960734043.

It is not a de Polignac number, because 340437069 - 2¹ = 340437067 is a prime.

It is a super-2 number, since 2×340437069² = 231794795898621522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340437067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44934 + ... + 51960.

Almost surely, 2^340437069 is an apocalyptic number.

It is an amenable number.

340437069 is a deficient number, since it is larger than the sum of its proper divisors (222365171).

340437069 is a wasteful number, since it uses less digits than its factorization.

340437069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809 (or 7806 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 340437069 is about 18450.9368054850. The cubic root of 340437069 is about 698.2521488941.

The spelling of 340437069 in words is "three hundred forty million, four hundred thirty-seven thousand, sixty-nine".