3970429 has 4 divisors (see below), whose sum is σ = 4035580. Its totient is φ = 3905280.

The previous prime is 3970423. The next prime is 3970441. The reversal of 3970429 is 9240793.

3970429 = T₁₁₀ + T₁₁₁ + ... + T₂₉₂.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9240793 = 101 ⋅91493.

It can be written as a sum of positive squares in 2 ways, for example, as 2220100 + 1750329 = 1490^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 3970429 - 2¹¹ = 3968381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3970394 and 3970403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970423) 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, 32484 + ... + 32605.

It is an arithmetic number, because the mean of its divisors is an integer number (1008895).

Almost surely, 2^3970429 is an apocalyptic number.

It is an amenable number.

3970429 is a deficient number, since it is larger than the sum of its proper divisors (65151).

3970429 is an equidigital number, since it uses as much as digits as its factorization.

3970429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65150.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 3970429 is about 1992.5935360730. The cubic root of 3970429 is about 158.3479619602.

The spelling of 3970429 in words is "three million, nine hundred seventy thousand, four hundred twenty-nine".