1860941628 has 168 divisors, whose sum is σ = 6010380768. Its totient is φ = 490727808.

The previous prime is 1860941587. The next prime is 1860941689. The reversal of 1860941628 is 8261490681.

1860941628 is a `hidden beast` number, since 1 + 8 + 609 + 4 + 16 + 28 = 666.

It is a super-3 number, since 3×1860941628³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 261850 + ... + 268862.

It is an arithmetic number, because the mean of its divisors is an integer number (35776076).

Almost surely, 2^1860941628 is an apocalyptic number.

1860941628 is a gapful number since it is divisible by the number (18) 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 1860941628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3005190384).

1860941628 is an abundant number, since it is smaller than the sum of its proper divisors (4149439140).

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

1860941628 is a wasteful number, since it uses less digits than its factorization.

1860941628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055 (or 7038 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1860941628 is about 43138.6326626146. The cubic root of 1860941628 is about 1230.0164423739.

The spelling of 1860941628 in words is "one billion, eight hundred sixty million, nine hundred forty-one thousand, six hundred twenty-eight".