1973465 has 16 divisors (see below), whose sum is σ = 2584848. Its totient is φ = 1437696.

The previous prime is 1973437. The next prime is 1973467. The reversal of 1973465 is 5643791.

It can be written as a sum of positive squares in 8 ways, for example, as 712336 + 1261129 = 844^2 + 1123^2 .

It is not a de Polignac number, because 1973465 - 2¹⁰ = 1972441 is a prime.

It is a d-powerful number, because it can be written as 1 + 9² + 7³ + 3⁹ + 4² + 6³ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1973467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6149 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (161553).

2^1973465 is an apocalyptic number.

It is an amenable number.

1973465 is a deficient number, since it is larger than the sum of its proper divisors (611383).

1973465 is a wasteful number, since it uses less digits than its factorization.

1973465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its digits is 22680, while the sum is 35.

The square root of 1973465 is about 1404.8006976080. The cubic root of 1973465 is about 125.4324223622.

The spelling of 1973465 in words is "one million, nine hundred seventy-three thousand, four hundred sixty-five".