1703997 has 20 divisors (see below), whose sum is σ = 2582140. Its totient is φ = 1119744.

The previous prime is 1703993. The next prime is 1704023. The reversal of 1703997 is 7993071.

It can be written as a sum of positive squares in 2 ways, for example, as 793881 + 910116 = 891^2 + 954^2 .

It is not a de Polignac number, because 1703997 - 2² = 1703993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1703993) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8733 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (129107).

2^1703997 is an apocalyptic number.

It is an amenable number.

1703997 is a deficient number, since it is larger than the sum of its proper divisors (878143).

1703997 is a wasteful number, since it uses less digits than its factorization.

1703997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 1703997 is about 1305.3723606696. The cubic root of 1703997 is about 119.4417823015.

The spelling of 1703997 in words is "one million, seven hundred three thousand, nine hundred ninety-seven".