214023964 has 72 divisors (see below), whose sum is σ = 484526448. Its totient is φ = 81768960.

The previous prime is 214023959. The next prime is 214023967. The reversal of 214023964 is 469320412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214023967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113332 + ... + 115204.

It is an arithmetic number, because the mean of its divisors is an integer number (6729534).

Almost surely, 2^214023964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214023964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242263224).

214023964 is an abundant number, since it is smaller than the sum of its proper divisors (270502484).

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

214023964 is a wasteful number, since it uses less digits than its factorization.

214023964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 214023964 is about 14629.5578880566. The cubic root of 214023964 is about 598.1647290617.

The spelling of 214023964 in words is "two hundred fourteen million, twenty-three thousand, nine hundred sixty-four".