3948534 has 16 divisors (see below), whose sum is σ = 8774640. Its totient is φ = 1316160.

The previous prime is 3948533. The next prime is 3948541. The reversal of 3948534 is 4358493.

It is an Ulam number.

It is a congruent number.

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, 36507 + ... + 36614.

It is an arithmetic number, because the mean of its divisors is an integer number (548415).

Almost surely, 2^3948534 is an apocalyptic number.

3948534 is an abundant number, since it is smaller than the sum of its proper divisors (4826106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3948534 is a wasteful number, since it uses less digits than its factorization.

3948534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73132 (or 73126 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3948534 is about 1987.0918448829. The cubic root of 3948534 is about 158.0563544101.

The spelling of 3948534 in words is "three million, nine hundred forty-eight thousand, five hundred thirty-four".