3806402 has 8 divisors (see below), whose sum is σ = 6045516. Its totient is φ = 1791232.

The previous prime is 3806347. The next prime is 3806423. The reversal of 3806402 is 2046083.

It is a happy number.

It is a Cunningham number, because it is equal to 1951²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 1 = 1951^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55943 + ... + 56010.

Almost surely, 2^3806402 is an apocalyptic number.

3806402 is a deficient number, since it is larger than the sum of its proper divisors (2239114).

3806402 is a wasteful number, since it uses less digits than its factorization.

3806402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111972.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3806402 is about 1951.0002562788. Note that the first 3 decimals coincide. The cubic root of 3806402 is about 156.1366597788.

The spelling of 3806402 in words is "three million, eight hundred six thousand, four hundred two".