214945632 has 144 divisors (see below), whose sum is σ = 702112320. Its totient is φ = 61689600.

The previous prime is 214945579. The next prime is 214945663. The reversal of 214945632 is 236549412.

It is a happy number.

214945632 is a `hidden beast` number, since 2 + 1 + 4 + 94 + 563 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 58407 + ... + 61977.

It is an arithmetic number, because the mean of its divisors is an integer number (4875780).

Almost surely, 2^214945632 is an apocalyptic number.

214945632 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 214945632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351056160).

214945632 is an abundant number, since it is smaller than the sum of its proper divisors (487166688).

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

214945632 is a wasteful number, since it uses less digits than its factorization.

214945632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3606 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 214945632 is about 14661.0242479849. The cubic root of 214945632 is about 599.0221405172.

The spelling of 214945632 in words is "two hundred fourteen million, nine hundred forty-five thousand, six hundred thirty-two".