1642912 has 12 divisors (see below), whose sum is σ = 3234546. Its totient is φ = 821440.

The previous prime is 1642909. The next prime is 1642919. The reversal of 1642912 is 2192461.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 467856 = 1084^2 + 684^2 .

It is not an unprimeable number, because it can be changed into a prime (1642919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25639 + ... + 25702.

2^1642912 is an apocalyptic number.

It is an amenable number.

1642912 is a deficient number, since it is larger than the sum of its proper divisors (1591634).

1642912 is an equidigital number, since it uses as much as digits as its factorization.

1642912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351 (or 51343 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 1642912 is about 1281.7612882280. The cubic root of 1642912 is about 117.9971271923.

The spelling of 1642912 in words is "one million, six hundred forty-two thousand, nine hundred twelve".