3948537 has 8 divisors (see below), whose sum is σ = 5274304. Its totient is φ = 2627568.

The previous prime is 3948533. The next prime is 3948541. The reversal of 3948537 is 7358493.

It is an interprime number because it is at equal distance from previous prime (3948533) and next prime (3948541).

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

It is not a de Polignac number, because 3948537 - 2² = 3948533 is a prime.

It is a Duffinian number.

3948537 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3948495 and 3948504.

It is not an unprimeable number, because it can be changed into a prime (3948533) 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, 1788 + ... + 3330.

It is an arithmetic number, because the mean of its divisors is an integer number (659288).

Almost surely, 2^3948537 is an apocalyptic number.

It is an amenable number.

3948537 is a deficient number, since it is larger than the sum of its proper divisors (1325767).

3948537 is a wasteful number, since it uses less digits than its factorization.

3948537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399.

The product of its digits is 90720, while the sum is 39.

The square root of 3948537 is about 1987.0925997547. The cubic root of 3948537 is about 158.0563944392.

The spelling of 3948537 in words is "three million, nine hundred forty-eight thousand, five hundred thirty-seven".