3950431 has 4 divisors (see below), whose sum is σ = 3967200. Its totient is φ = 3933664.

The previous prime is 3950417. The next prime is 3950449. The reversal of 3950431 is 1340593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340593 = 317 ⋅4229.

It is a cyclic number.

It is not a de Polignac number, because 3950431 - 2⁵ = 3950399 is a prime.

It is a super-2 number, since 2×3950431² = 31211810171522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3950396 and 3950405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950731) 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, 8026 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (991800).

Almost surely, 2^3950431 is an apocalyptic number.

3950431 is a deficient number, since it is larger than the sum of its proper divisors (16769).

3950431 is a wasteful number, since it uses less digits than its factorization.

3950431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16768.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3950431 is about 1987.5691182950. The cubic root of 3950431 is about 158.0816621067.

The spelling of 3950431 in words is "three million, nine hundred fifty thousand, four hundred thirty-one".