312452420 has 96 divisors (see below), whose sum is σ = 786508800. Its totient is φ = 104146560.

The previous prime is 312452411. The next prime is 312452443. The reversal of 312452420 is 24254213.

It is a happy number.

It is a congruent number.

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, 253205 + ... + 254435.

It is an arithmetic number, because the mean of its divisors is an integer number (8192800).

Almost surely, 2^312452420 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 312452420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393254400).

312452420 is an abundant number, since it is smaller than the sum of its proper divisors (474056380).

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

312452420 is a wasteful number, since it uses less digits than its factorization.

312452420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 312452420 is about 17676.3237128086. The cubic root of 312452420 is about 678.5699618699.

The spelling of 312452420 in words is "three hundred twelve million, four hundred fifty-two thousand, four hundred twenty".