3953240 has 32 divisors (see below), whose sum is σ = 9283680. Its totient is φ = 1512192.

The previous prime is 3953233. The next prime is 3953249. The reversal of 3953240 is 423593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953249) 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, 1229 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (290115).

Almost surely, 2^3953240 is an apocalyptic number.

It is an amenable number.

3953240 is an abundant number, since it is smaller than the sum of its proper divisors (5330440).

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

3953240 is a wasteful number, since it uses less digits than its factorization.

3953240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3953240 is about 1988.2756348153. The cubic root of 3953240 is about 158.1191218320.

The spelling of 3953240 in words is "three million, nine hundred fifty-three thousand, two hundred forty".