1988295606 has 32 divisors (see below), whose sum is σ = 4820112000. Its totient is φ = 602513640.

The previous prime is 1988295601. The next prime is 1988295611. The reversal of 1988295606 is 6065928891.

It is a happy number.

1988295606 is a `hidden beast` number, since 1 + 9 + 8 + 8 + 29 + 5 + 606 = 666.

It is an interprime number because it is at equal distance from previous prime (1988295601) and next prime (1988295611).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988295601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1673056 + ... + 1674243.

It is an arithmetic number, because the mean of its divisors is an integer number (150628500).

Almost surely, 2^1988295606 is an apocalyptic number.

1988295606 is an abundant number, since it is smaller than the sum of its proper divisors (2831816394).

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

1988295606 is a wasteful number, since it uses less digits than its factorization.

1988295606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347321 (or 3347315 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 1988295606 is about 44590.3084313172. The cubic root of 1988295606 is about 1257.4584710676.

The spelling of 1988295606 in words is "one billion, nine hundred eighty-eight million, two hundred ninety-five thousand, six hundred six".