213649848 has 24 divisors (see below), whose sum is σ = 578635200. Its totient is φ = 71216592.

The previous prime is 213649819. The next prime is 213649853. The reversal of 213649848 is 848946312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 1483608 + ... + 1483751.

It is an arithmetic number, because the mean of its divisors is an integer number (24109800).

Almost surely, 2^213649848 is an apocalyptic number.

It is an amenable number.

213649848 is an abundant number, since it is smaller than the sum of its proper divisors (364985352).

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

213649848 is a wasteful number, since it uses less digits than its factorization.

213649848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967371 (or 2967364 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 213649848 is about 14616.7659897804. The cubic root of 213649848 is about 597.8159931694.

It can be divided in two parts, 2136 and 49848, that added together give a square (51984 = 228²).

The spelling of 213649848 in words is "two hundred thirteen million, six hundred forty-nine thousand, eight hundred forty-eight".