340994420 has 48 divisors (see below), whose sum is σ = 796067328. Its totient is φ = 121841280.

The previous prime is 340994393. The next prime is 340994443. The reversal of 340994420 is 24499043.

It is a super-2 number, since 2×340994420² = 232554388942272800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13094 + ... + 29213.

It is an arithmetic number, because the mean of its divisors is an integer number (16584736).

Almost surely, 2^340994420 is an apocalyptic number.

It is an amenable number.

340994420 is an abundant number, since it is smaller than the sum of its proper divisors (455072908).

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

340994420 is a wasteful number, since it uses less digits than its factorization.

340994420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42360 (or 42358 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 340994420 is about 18466.0342250306. The cubic root of 340994420 is about 698.6329920148.

The spelling of 340994420 in words is "three hundred forty million, nine hundred ninety-four thousand, four hundred twenty".