3935429 has 4 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 3919500.

The previous prime is 3935423. The next prime is 3935443. The reversal of 3935429 is 9245393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9245393 = 2741 ⋅3373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3935429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3935423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7589 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^3935429 is an apocalyptic number.

It is an amenable number.

3935429 is a deficient number, since it is larger than the sum of its proper divisors (15931).

3935429 is a wasteful number, since it uses less digits than its factorization.

3935429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930.

The product of its digits is 29160, while the sum is 35.

The square root of 3935429 is about 1983.7915717131. The cubic root of 3935429 is about 157.8813000476.

The spelling of 3935429 in words is "three million, nine hundred thirty-five thousand, four hundred twenty-nine".