3961430 has 16 divisors (see below), whose sum is σ = 7779024. Its totient is φ = 1440480.

The previous prime is 3961427. The next prime is 3961439. The reversal of 3961430 is 341693.

It is a self number, because there is not a number n which added to its sum of digits gives 3961430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17897 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (486189).

Almost surely, 2^3961430 is an apocalyptic number.

3961430 is a deficient number, since it is larger than the sum of its proper divisors (3817594).

3961430 is a wasteful number, since it uses less digits than its factorization.

3961430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36031.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3961430 is about 1990.3341428012. The cubic root of 3961430 is about 158.2282392772.

The spelling of 3961430 in words is "three million, nine hundred sixty-one thousand, four hundred thirty".