3906402 has 8 divisors (see below), whose sum is σ = 7812816. Its totient is φ = 1302132.

The previous prime is 3906401. The next prime is 3906407. The reversal of 3906402 is 2046093.

It is a sphenic number, since it is the product of 3 distinct primes.

3906402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3906401) 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 3 ways as a sum of consecutive naturals, for example, 325528 + ... + 325539.

It is an arithmetic number, because the mean of its divisors is an integer number (976602).

Almost surely, 2^3906402 is an apocalyptic number.

3906402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3906402 is a wasteful number, since it uses less digits than its factorization.

3906402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651072.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3906402 is about 1976.4619905275. The cubic root of 3906402 is about 157.4921739624.

The spelling of 3906402 in words is "three million, nine hundred six thousand, four hundred two".