1992472 has 8 divisors (see below), whose sum is σ = 3735900. Its totient is φ = 996232.

The previous prime is 1992469. The next prime is 1992481. The reversal of 1992472 is 2742991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124522 + ... + 124537.

2^1992472 is an apocalyptic number.

It is an amenable number.

1992472 is a deficient number, since it is larger than the sum of its proper divisors (1743428).

1992472 is a wasteful number, since it uses less digits than its factorization.

1992472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249065 (or 249061 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1992472 is about 1411.5495032056. The cubic root of 1992472 is about 125.8338281440.

The spelling of 1992472 in words is "one million, nine hundred ninety-two thousand, four hundred seventy-two".