3973045 has 8 divisors (see below), whose sum is σ = 4778424. Its totient is φ = 3171264.

The previous prime is 3973031. The next prime is 3973061. The reversal of 3973045 is 5403793.

It can be written as a sum of positive squares in 4 ways, for example, as 966289 + 3006756 = 983^2 + 1734^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3973045 - 2⁹ = 3972533 is a prime.

It is a Duffinian number.

3973045 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3972998 and 3973016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487 + ... + 4483.

It is an arithmetic number, because the mean of its divisors is an integer number (597303).

Almost surely, 2^3973045 is an apocalyptic number.

3973045 is the 997-th decagonal number.

It is an amenable number.

3973045 is a deficient number, since it is larger than the sum of its proper divisors (805379).

3973045 is an equidigital number, since it uses as much as digits as its factorization.

3973045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3973045 is about 1993.2498588988. The cubic root of 3973045 is about 158.3827312782.

The spelling of 3973045 in words is "three million, nine hundred seventy-three thousand, forty-five".