1973535 has 16 divisors (see below), whose sum is σ = 3235680. Its totient is φ = 1026560.

The previous prime is 1973527. The next prime is 1973539. The reversal of 1973535 is 5353791.

It is not a de Polignac number, because 1973535 - 2³ = 1973527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1973496 and 1973505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973539) 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 15 ways as a sum of consecutive naturals, for example, 990 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (202230).

2^1973535 is an apocalyptic number.

1973535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1973535 is a deficient number, since it is larger than the sum of its proper divisors (1262145).

1973535 is a wasteful number, since it uses less digits than its factorization.

1973535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258.

The product of its digits is 14175, while the sum is 33.

The square root of 1973535 is about 1404.8256119533. The cubic root of 1973535 is about 125.4339053994.

The spelling of 1973535 in words is "one million, nine hundred seventy-three thousand, five hundred thirty-five".