340658940 has 48 divisors (see below), whose sum is σ = 986741280. Its totient is φ = 87709440.

The previous prime is 340658933. The next prime is 340658947. The reversal of 340658940 is 49856043.

It is an interprime number because it is at equal distance from previous prime (340658933) and next prime (340658947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340658947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96151 + ... + 99630.

It is an arithmetic number, because the mean of its divisors is an integer number (20557110).

Almost surely, 2^340658940 is an apocalyptic number.

340658940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340658940 is an abundant number, since it is smaller than the sum of its proper divisors (646082340).

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

340658940 is a wasteful number, since it uses less digits than its factorization.

340658940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195822 (or 195820 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 340658940 is about 18456.9482851310. The cubic root of 340658940 is about 698.4038051750.

The spelling of 340658940 in words is "three hundred forty million, six hundred fifty-eight thousand, nine hundred forty".