1628549952 has 112 divisors (see below), whose sum is σ = 4591824192. Its totient is φ = 507617280.

The previous prime is 1628549929. The next prime is 1628549999. The reversal of 1628549952 is 2599458261.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 1628549895 and 1628549904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530502 + ... + 533562.

Almost surely, 2^1628549952 is an apocalyptic number.

1628549952 is a gapful number since it is divisible by the number (12) 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 1628549952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295912096).

1628549952 is an abundant number, since it is smaller than the sum of its proper divisors (2963274240).

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

1628549952 is a wasteful number, since it uses less digits than its factorization.

1628549952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3246 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 1628549952 is about 40355.2964553601. The cubic root of 1628549952 is about 1176.5228366098.

The spelling of 1628549952 in words is "one billion, six hundred twenty-eight million, five hundred forty-nine thousand, nine hundred fifty-two".