3976531 has 8 divisors (see below), whose sum is σ = 4298000. Its totient is φ = 3657312.

The previous prime is 3976523. The next prime is 3976547. The reversal of 3976531 is 1356793.

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 3976531 - 2³ = 3976523 is a prime.

It is a super-2 number, since 2×3976531² = 31625597587922, which contains 22 as substring.

It is a Duffinian number.

3976531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3976031) 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 7 ways as a sum of consecutive naturals, for example, 6181 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (537250).

Almost surely, 2^3976531 is an apocalyptic number.

3976531 is a deficient number, since it is larger than the sum of its proper divisors (321469).

3976531 is a wasteful number, since it uses less digits than its factorization.

3976531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its digits is 17010, while the sum is 34.

The square root of 3976531 is about 1994.1241185042. The cubic root of 3976531 is about 158.4290400749.

The spelling of 3976531 in words is "three million, nine hundred seventy-six thousand, five hundred thirty-one".