214849540 has 24 divisors (see below), whose sum is σ = 451507392. Its totient is φ = 85878240.

The previous prime is 214849529. The next prime is 214849559. The reversal of 214849540 is 45948412.

It is a self number, because there is not a number n which added to its sum of digits gives 214849540.

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 7 ways as a sum of consecutive naturals, for example, 33687 + ... + 39553.

It is an arithmetic number, because the mean of its divisors is an integer number (18812808).

Almost surely, 2^214849540 is an apocalyptic number.

214849540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214849540 is an abundant number, since it is smaller than the sum of its proper divisors (236657852).

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

214849540 is a wasteful number, since it uses less digits than its factorization.

214849540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707 (or 7705 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 214849540 is about 14657.7467572612. The cubic root of 214849540 is about 598.9328624134.

The spelling of 214849540 in words is "two hundred fourteen million, eight hundred forty-nine thousand, five hundred forty".