1045726986 has 8 divisors (see below), whose sum is σ = 2091453984. Its totient is φ = 348575660.

The previous prime is 1045726961. The next prime is 1045726987. The reversal of 1045726986 is 6896275401.

It is a sphenic number, since it is the product of 3 distinct primes.

1045726986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1045726987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87143910 + ... + 87143921.

It is an arithmetic number, because the mean of its divisors is an integer number (261431748).

Almost surely, 2^1045726986 is an apocalyptic number.

1045726986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1045726986 is a wasteful number, since it uses less digits than its factorization.

1045726986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174287836.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1045726986 is about 32337.7022374813. The cubic root of 1045726986 is about 1015.0157280357.

The spelling of 1045726986 in words is "one billion, forty-five million, seven hundred twenty-six thousand, nine hundred eighty-six".