3997735 has 8 divisors (see below), whose sum is σ = 5482656. Its totient is φ = 2741280.

The previous prime is 3997723. The next prime is 3997751. The reversal of 3997735 is 5377993.

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

It is not a de Polignac number, because 3997735 - 2¹¹ = 3995687 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3997691 and 3997700.

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, 57076 + ... + 57145.

It is an arithmetic number, because the mean of its divisors is an integer number (685332).

Almost surely, 2^3997735 is an apocalyptic number.

3997735 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3997735 is a deficient number, since it is larger than the sum of its proper divisors (1484921).

3997735 is a wasteful number, since it uses less digits than its factorization.

3997735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114233.

The product of its digits is 178605, while the sum is 43.

The square root of 3997735 is about 1999.4336698175. The cubic root of 3997735 is about 158.7101373448.

The spelling of 3997735 in words is "three million, nine hundred ninety-seven thousand, seven hundred thirty-five".