3949454 has 24 divisors (see below), whose sum is σ = 6527640. Its totient is φ = 1785888.

The previous prime is 3949453. The next prime is 3949459. The reversal of 3949454 is 4549493.

3949454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74492 + ... + 74544.

It is an arithmetic number, because the mean of its divisors is an integer number (271985).

Almost surely, 2^3949454 is an apocalyptic number.

3949454 is a deficient number, since it is larger than the sum of its proper divisors (2578186).

3949454 is a wasteful number, since it uses less digits than its factorization.

3949454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 111 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 3949454 is about 1987.3233254808. The cubic root of 3949454 is about 158.0686290547.

The spelling of 3949454 in words is "three million, nine hundred forty-nine thousand, four hundred fifty-four".