1662948 has 36 divisors (see below), whose sum is σ = 4804800. Its totient is φ = 475056.

The previous prime is 1662943. The next prime is 1662953. The reversal of 1662948 is 8492661.

It is an interprime number because it is at equal distance from previous prime (1662943) and next prime (1662953).

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 not an unprimeable number, because it can be changed into a prime (1662943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3048 + ... + 3551.

2^1662948 is an apocalyptic number.

1662948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1662948 is an abundant number, since it is smaller than the sum of its proper divisors (3141852).

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

1662948 is a wasteful number, since it uses less digits than its factorization.

1662948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6616 (or 6611 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1662948 is about 1289.5534110691. The cubic root of 1662948 is about 118.4748651492.

The spelling of 1662948 in words is "one million, six hundred sixty-two thousand, nine hundred forty-eight".