213575466 has 64 divisors (see below), whose sum is σ = 487226880. Its totient is φ = 61871040.

The previous prime is 213575441. The next prime is 213575497. The reversal of 213575466 is 664575312.

It is a super-2 number, since 2×213575466² = 91228959354234312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312361 + ... + 313043.

It is an arithmetic number, because the mean of its divisors is an integer number (7612920).

Almost surely, 2^213575466 is an apocalyptic number.

213575466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 213575466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243613440).

213575466 is an abundant number, since it is smaller than the sum of its proper divisors (273651414).

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

213575466 is a wasteful number, since it uses less digits than its factorization.

213575466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its digits is 151200, while the sum is 39.

The square root of 213575466 is about 14614.2213614000. The cubic root of 213575466 is about 597.7466087522.

The spelling of 213575466 in words is "two hundred thirteen million, five hundred seventy-five thousand, four hundred sixty-six".