1089948 has 24 divisors (see below), whose sum is σ = 2586640. Its totient is φ = 357120.

The previous prime is 1089943. The next prime is 1089961. The reversal of 1089948 is 8499801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1476.

2^1089948 is an apocalyptic number.

It is an amenable number.

1089948 is an abundant number, since it is smaller than the sum of its proper divisors (1496692).

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

1089948 is a wasteful number, since it uses less digits than its factorization.

1089948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1089948 is about 1044.0057471106. The cubic root of 1089948 is about 102.9126100743.

The spelling of 1089948 in words is "one million, eighty-nine thousand, nine hundred forty-eight".