213685948 has 12 divisors (see below), whose sum is σ = 427371952. Its totient is φ = 91579680.

The previous prime is 213685943. The next prime is 213685957. The reversal of 213685948 is 849586312.

213685948 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213685898 and 213685907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213685943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815793 + ... + 3815848.

Almost surely, 2^213685948 is an apocalyptic number.

213685948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

213685948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213685948 is a wasteful number, since it uses less digits than its factorization.

213685948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631652 (or 7631650 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 213685948 is about 14618.0008209057. Note that the first 3 decimals coincide. The cubic root of 213685948 is about 597.8496618757.

The spelling of 213685948 in words is "two hundred thirteen million, six hundred eighty-five thousand, nine hundred forty-eight".