3906430 has 32 divisors (see below), whose sum is σ = 8125920. Its totient is φ = 1336320.

The previous prime is 3906407. The next prime is 3906431. The reversal of 3906430 is 346093.

It is a junction number, because it is equal to n+sod(n) for n = 3906395 and 3906404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826 + ... + 2914.

It is an arithmetic number, because the mean of its divisors is an integer number (253935).

Almost surely, 2^3906430 is an apocalyptic number.

3906430 is an abundant number, since it is smaller than the sum of its proper divisors (4219490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3906430 is a wasteful number, since it uses less digits than its factorization.

3906430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3906430 is about 1976.4690738790. The cubic root of 3906430 is about 157.4925502481.

The spelling of 3906430 in words is "three million, nine hundred six thousand, four hundred thirty".