3402147 has 8 divisors (see below), whose sum is σ = 5184256. Its totient is φ = 1944072.

The previous prime is 3402143. The next prime is 3402149. The reversal of 3402147 is 7412043.

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

It is not a de Polignac number, because 3402147 - 2² = 3402143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 162007 = 3402147 / (3 + 4 + 0 + 2 + 1 + 4 + 7).

It is not an unprimeable number, because it can be changed into a prime (3402143) 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 7 ways as a sum of consecutive naturals, for example, 80983 + ... + 81024.

It is an arithmetic number, because the mean of its divisors is an integer number (648032).

Almost surely, 2^3402147 is an apocalyptic number.

3402147 is a deficient number, since it is larger than the sum of its proper divisors (1782109).

3402147 is a wasteful number, since it uses less digits than its factorization.

3402147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162017.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 3402147 is about 1844.4909866952. The cubic root of 3402147 is about 150.4011042576.

The spelling of 3402147 in words is "three million, four hundred two thousand, one hundred forty-seven".