212463888 has 160 divisors (see below), whose sum is σ = 682622976. Its totient is φ = 55448064.

The previous prime is 212463887. The next prime is 212463893. The reversal of 212463888 is 888364212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is not an unprimeable number, because it can be changed into a prime (212463883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554545 + ... + 554927.

Almost surely, 2^212463888 is an apocalyptic number.

212463888 is a gapful number since it is divisible by the number (28) 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 212463888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341311488).

212463888 is an abundant number, since it is smaller than the sum of its proper divisors (470159088).

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

212463888 is a wasteful number, since it uses less digits than its factorization.

212463888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 535 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 212463888 is about 14576.1410531046. The cubic root of 212463888 is about 596.7077908604.

The spelling of 212463888 in words is "two hundred twelve million, four hundred sixty-three thousand, eight hundred eighty-eight".