213453464 has 16 divisors (see below), whose sum is σ = 457400400. Its totient is φ = 91480032.

The previous prime is 213453463. The next prime is 213453469. The reversal of 213453464 is 464354312.

It is a self number, because there is not a number n which added to its sum of digits gives 213453464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213453463) 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, 1905779 + ... + 1905890.

It is an arithmetic number, because the mean of its divisors is an integer number (28587525).

Almost surely, 2^213453464 is an apocalyptic number.

It is an amenable number.

213453464 is an abundant number, since it is smaller than the sum of its proper divisors (243946936).

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

213453464 is a wasteful number, since it uses less digits than its factorization.

213453464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811682 (or 3811678 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 213453464 is about 14610.0466802813. The cubic root of 213453464 is about 597.6327689410.

The spelling of 213453464 in words is "two hundred thirteen million, four hundred fifty-three thousand, four hundred sixty-four".