213641448 has 32 divisors (see below), whose sum is σ = 565522560. Its totient is φ = 67024640.

The previous prime is 213641423. The next prime is 213641473. The reversal of 213641448 is 844146312.

It is an interprime number because it is at equal distance from previous prime (213641423) and next prime (213641473).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261408 + ... + 262223.

It is an arithmetic number, because the mean of its divisors is an integer number (17672580).

Almost surely, 2^213641448 is an apocalyptic number.

It is an amenable number.

213641448 is an abundant number, since it is smaller than the sum of its proper divisors (351881112).

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

213641448 is a wasteful number, since it uses less digits than its factorization.

213641448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523657 (or 523653 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 213641448 is about 14616.4786456930. The cubic root of 213641448 is about 597.8081583559.

The spelling of 213641448 in words is "two hundred thirteen million, six hundred forty-one thousand, four hundred forty-eight".