1704642 has 24 divisors (see below), whose sum is σ = 3602736. Its totient is φ = 537624.

The previous prime is 1704613. The next prime is 1704671. The reversal of 1704642 is 2464071.

It is an interprime number because it is at equal distance from previous prime (1704613) and next prime (1704671).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1773 + ... + 2559.

It is an arithmetic number, because the mean of its divisors is an integer number (150114).

2^1704642 is an apocalyptic number.

1704642 is an abundant number, since it is smaller than the sum of its proper divisors (1898094).

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

1704642 is a wasteful number, since it uses less digits than its factorization.

1704642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1704642 is about 1305.6193932383. The cubic root of 1704642 is about 119.4568508396.

It can be divided in two parts, 1704 and 642, that added together give a triangular number (2346 = T₆₈).

The spelling of 1704642 in words is "one million, seven hundred four thousand, six hundred forty-two".