3952429 has 4 divisors (see below), whose sum is σ = 4256476. Its totient is φ = 3648384.

The previous prime is 3952423. The next prime is 3952453. The reversal of 3952429 is 9242593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9242593 = 2843 ⋅3251.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 3724900 = 477^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 3952429 - 2⁷ = 3952301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3952394 and 3952403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152004 + ... + 152029.

It is an arithmetic number, because the mean of its divisors is an integer number (1064119).

Almost surely, 2^3952429 is an apocalyptic number.

It is an amenable number.

3952429 is a deficient number, since it is larger than the sum of its proper divisors (304047).

3952429 is a wasteful number, since it uses less digits than its factorization.

3952429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304046.

The product of its digits is 19440, while the sum is 34.

The square root of 3952429 is about 1988.0716787883. The cubic root of 3952429 is about 158.1083084757.

The spelling of 3952429 in words is "three million, nine hundred fifty-two thousand, four hundred twenty-nine".