398462652 has 132 divisors (see below), whose sum is σ = 1200341296. Its totient is φ = 113374080.

The previous prime is 398462651. The next prime is 398462671. The reversal of 398462652 is 256264893.

It is a super-3 number, since 3×398462652³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 398462598 and 398462607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398462651) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 1653252 + ... + 1653492.

Almost surely, 2^398462652 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 398462652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600170648).

398462652 is an abundant number, since it is smaller than the sum of its proper divisors (801878644).

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

398462652 is an equidigital number, since it uses as much as digits as its factorization.

398462652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 253 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 398462652 is about 19961.5293001313. The cubic root of 398462652 is about 735.8611480934.

The spelling of 398462652 in words is "three hundred ninety-eight million, four hundred sixty-two thousand, six hundred fifty-two".