213442908 has 48 divisors (see below), whose sum is σ = 569904384. Its totient is φ = 60906240.

The previous prime is 213442897. The next prime is 213442919. The reversal of 213442908 is 809244312.

213442908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213442897) and next prime (213442919).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113391 + ... + 115257.

It is an arithmetic number, because the mean of its divisors is an integer number (11873008).

Almost surely, 2^213442908 is an apocalyptic number.

213442908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

213442908 is an abundant number, since it is smaller than the sum of its proper divisors (356461476).

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

213442908 is a wasteful number, since it uses less digits than its factorization.

213442908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3240 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 213442908 is about 14609.6854175578. The cubic root of 213442908 is about 597.6229171207.

The spelling of 213442908 in words is "two hundred thirteen million, four hundred forty-two thousand, nine hundred eight".