3950429 has 6 divisors (see below), whose sum is σ = 4595454. Its totient is φ = 3386040.

The previous prime is 3950417. The next prime is 3950449. The reversal of 3950429 is 9240593.

It can be written as a sum of positive squares in only one way, i.e., 2181529 + 1768900 = 1477^2 + 1330^2 .

It is not a de Polignac number, because 3950429 - 2⁸ = 3950173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3950395 and 3950404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950449) 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 5 ways as a sum of consecutive naturals, for example, 40262 + ... + 40359.

It is an arithmetic number, because the mean of its divisors is an integer number (765909).

Almost surely, 2^3950429 is an apocalyptic number.

It is an amenable number.

3950429 is a deficient number, since it is larger than the sum of its proper divisors (645025).

3950429 is an equidigital number, since it uses as much as digits as its factorization.

3950429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80635 (or 80628 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3950429 is about 1987.5686151678. The cubic root of 3950429 is about 158.0816354291.

The spelling of 3950429 in words is "three million, nine hundred fifty thousand, four hundred twenty-nine".