1060639992 has 96 divisors (see below), whose sum is σ = 2915028480. Its totient is φ = 348364800.

The previous prime is 1060639919. The next prime is 1060640003. The reversal of 1060639992 is 2999360601.

It is a happy number.

1060639992 is a `hidden beast` number, since 1 + 0 + 6 + 0 + 639 + 9 + 9 + 2 = 666.

It is a super-2 number, since 2×1060639992² = 2249914385259520128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1764492 + ... + 1765092.

It is an arithmetic number, because the mean of its divisors is an integer number (30364880).

Almost surely, 2^1060639992 is an apocalyptic number.

1060639992 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 1060639992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457514240).

1060639992 is an abundant number, since it is smaller than the sum of its proper divisors (1854388488).

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

1060639992 is a wasteful number, since it uses less digits than its factorization.

1060639992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 1060639992 is about 32567.4683081139. The cubic root of 1060639992 is about 1019.8179836692.

The spelling of 1060639992 in words is "one billion, sixty million, six hundred thirty-nine thousand, nine hundred ninety-two".