213989952 has 168 divisors, whose sum is σ = 636723136. Its totient is φ = 63360000.

The previous prime is 213989929. The next prime is 213989969. The reversal of 213989952 is 259989312.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417077 + ... + 1417227.

Almost surely, 2^213989952 is an apocalyptic number.

213989952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213989952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318361568).

213989952 is an abundant number, since it is smaller than the sum of its proper divisors (422733184).

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

213989952 is a wasteful number, since it uses less digits than its factorization.

213989952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 228 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 213989952 is about 14628.3954007266. The cubic root of 213989952 is about 598.1330412448.

The spelling of 213989952 in words is "two hundred thirteen million, nine hundred eighty-nine thousand, nine hundred fifty-two".