628183488 has 56 divisors (see below), whose sum is σ = 1667538448. Its totient is φ = 208705536.

The previous prime is 628183483. The next prime is 628183489. The reversal of 628183488 is 884381826.

It is a super-2 number, since 2×628183488² = 789228989191692288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628183481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54870 + ... + 65322.

Almost surely, 2^628183488 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 628183488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833769224).

628183488 is an abundant number, since it is smaller than the sum of its proper divisors (1039354960).

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

628183488 is a wasteful number, since it uses less digits than its factorization.

628183488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781 (or 10771 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The square root of 628183488 is about 25063.5888890638. The cubic root of 628183488 is about 856.4371656986.

The spelling of 628183488 in words is "six hundred twenty-eight million, one hundred eighty-three thousand, four hundred eighty-eight".