3997461 has 8 divisors (see below), whose sum is σ = 5740000. Its totient is φ = 2459952.

The previous prime is 3997457. The next prime is 3997463. The reversal of 3997461 is 1647993.

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

It is not a de Polignac number, because 3997461 - 2² = 3997457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 102499 = 3997461 / (3 + 9 + 9 + 7 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51211 + ... + 51288.

It is an arithmetic number, because the mean of its divisors is an integer number (717500).

Almost surely, 2^3997461 is an apocalyptic number.

It is an amenable number.

3997461 is a deficient number, since it is larger than the sum of its proper divisors (1742539).

3997461 is a wasteful number, since it uses less digits than its factorization.

3997461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102515.

The product of its digits is 40824, while the sum is 39.

The square root of 3997461 is about 1999.3651492411. The cubic root of 3997461 is about 158.7065113273.

The spelling of 3997461 in words is "three million, nine hundred ninety-seven thousand, four hundred sixty-one".