1046251992 has 64 divisors (see below), whose sum is σ = 2683756800. Its totient is φ = 339776640.

The previous prime is 1046251979. The next prime is 1046251993. The reversal of 1046251992 is 2991526401.

It is a self number, because there is not a number n which added to its sum of digits gives 1046251992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046251993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153309 + ... + 159987.

It is an arithmetic number, because the mean of its divisors is an integer number (41933700).

Almost surely, 2^1046251992 is an apocalyptic number.

1046251992 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 1046251992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341878400).

1046251992 is an abundant number, since it is smaller than the sum of its proper divisors (1637504808).

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

1046251992 is a wasteful number, since it uses less digits than its factorization.

1046251992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1046251992 is about 32345.8187715198. The cubic root of 1046251992 is about 1015.1855621003.

The spelling of 1046251992 in words is "one billion, forty-six million, two hundred fifty-one thousand, nine hundred ninety-two".