340039984 has 20 divisors (see below), whose sum is σ = 697582584. Its totient is φ = 160018688.

The previous prime is 340039969. The next prime is 340040003. The reversal of 340039984 is 489930043.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624802 + ... + 625345.

Almost surely, 2^340039984 is an apocalyptic number.

340039984 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

340039984 is an abundant number, since it is smaller than the sum of its proper divisors (357542600).

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

340039984 is a wasteful number, since it uses less digits than its factorization.

340039984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250172 (or 1250166 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 340039984 is about 18440.1731011398. The cubic root of 340039984 is about 697.9805633841.

The spelling of 340039984 in words is "three hundred forty million, thirty-nine thousand, nine hundred eighty-four".