1149948 has 36 divisors (see below), whose sum is σ = 3079440. Its totient is φ = 360576.

The previous prime is 1149943. The next prime is 1149971. The reversal of 1149948 is 8499411.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (85540).

2^1149948 is an apocalyptic number.

1149948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1149948 is an abundant number, since it is smaller than the sum of its proper divisors (1929492).

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

1149948 is a wasteful number, since it uses less digits than its factorization.

1149948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1901 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1149948 is about 1072.3562840773. The cubic root of 1149948 is about 104.7673761671.

The spelling of 1149948 in words is "one million, one hundred forty-nine thousand, nine hundred forty-eight".