1088987946 has 16 divisors (see below), whose sum is σ = 2272670784. Its totient is φ = 347213504.

The previous prime is 1088987909. The next prime is 1088987951. The reversal of 1088987946 is 6497898801.

It is a self number, because there is not a number n which added to its sum of digits gives 1088987946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945471 + ... + 3945746.

It is an arithmetic number, because the mean of its divisors is an integer number (142041924).

Almost surely, 2^1088987946 is an apocalyptic number.

1088987946 is an abundant number, since it is smaller than the sum of its proper divisors (1183682838).

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

1088987946 is a wasteful number, since it uses less digits than its factorization.

1088987946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891245.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The square root of 1088987946 is about 32999.8173631310. The cubic root of 1088987946 is about 1028.8238518095.

The spelling of 1088987946 in words is "one billion, eighty-eight million, nine hundred eighty-seven thousand, nine hundred forty-six".