3953745 has 16 divisors (see below), whose sum is σ = 7029120. Its totient is φ = 2108592.

The previous prime is 3953717. The next prime is 3953749. The reversal of 3953745 is 5473593.

It is not a de Polignac number, because 3953745 - 2⁷ = 3953617 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

3953745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3953749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14509 + ... + 14778.

It is an arithmetic number, because the mean of its divisors is an integer number (439320).

Almost surely, 2^3953745 is an apocalyptic number.

It is an amenable number.

3953745 is a deficient number, since it is larger than the sum of its proper divisors (3075375).

3953745 is a wasteful number, since it uses less digits than its factorization.

3953745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29301 (or 29295 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 3953745 is about 1988.4026252246. The cubic root of 3953745 is about 158.1258544325.

The spelling of 3953745 in words is "three million, nine hundred fifty-three thousand, seven hundred forty-five".