1032661998 has 24 divisors (see below), whose sum is σ = 2292007536. Its totient is φ = 335824800.

The previous prime is 1032661969. The next prime is 1032662041. The reversal of 1032661998 is 8991662301.

It is a happy number.

1032661998 is a `hidden beast` number, since 1 + 0 + 3 + 26 + 619 + 9 + 8 = 666.

It is a super-2 number, since 2×1032661998² = 2132781604226704008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 698898 + ... + 700373.

It is an arithmetic number, because the mean of its divisors is an integer number (95500314).

Almost surely, 2^1032661998 is an apocalyptic number.

1032661998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1032661998 is an abundant number, since it is smaller than the sum of its proper divisors (1259345538).

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

1032661998 is a wasteful number, since it uses less digits than its factorization.

1032661998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399320 (or 1399317 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1032661998 is about 32135.0587054077. The cubic root of 1032661998 is about 1010.7709037791.

The spelling of 1032661998 in words is "one billion, thirty-two million, six hundred sixty-one thousand, nine hundred ninety-eight".