3948437 has 8 divisors (see below), whose sum is σ = 4325400. Its totient is φ = 3587584.

The previous prime is 3948431. The next prime is 3948463. The reversal of 3948437 is 7348493.

It can be written as a sum of positive squares in 4 ways, for example, as 1359556 + 2588881 = 1166^2 + 1609^2 .

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 3948437 - 2¹⁰ = 3947413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948431) 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, 3512 + ... + 4497.

It is an arithmetic number, because the mean of its divisors is an integer number (540675).

Almost surely, 2^3948437 is an apocalyptic number.

It is an amenable number.

3948437 is a deficient number, since it is larger than the sum of its proper divisors (376963).

3948437 is a wasteful number, since it uses less digits than its factorization.

3948437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055.

The product of its digits is 72576, while the sum is 38.

The square root of 3948437 is about 1987.0674372049. The cubic root of 3948437 is about 158.0550601245.

The spelling of 3948437 in words is "three million, nine hundred forty-eight thousand, four hundred thirty-seven".