340421200 has 60 divisors (see below), whose sum is σ = 934707040. Its totient is φ = 116714880.

The previous prime is 340421149. The next prime is 340421219. The reversal of 340421200 is 2124043.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57990 + ... + 63589.

Almost surely, 2^340421200 is an apocalyptic number.

It is an amenable number.

340421200 is an abundant number, since it is smaller than the sum of its proper divisors (594285840).

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

340421200 is a wasteful number, since it uses less digits than its factorization.

340421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121604 (or 121593 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 340421200 is about 18450.5067681080. The cubic root of 340421200 is about 698.2412993749.

Adding to 340421200 its reverse (2124043), we get a palindrome (342545243).

The spelling of 340421200 in words is "three hundred forty million, four hundred twenty-one thousand, two hundred".