3678157 has 8 divisors (see below), whose sum is σ = 4348800. Its totient is φ = 3043824.

The previous prime is 3678149. The next prime is 3678163. The reversal of 3678157 is 7518763.

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

It is not a de Polignac number, because 3678157 - 2³ = 3678149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678107) 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, 8857 + ... + 9262.

It is an arithmetic number, because the mean of its divisors is an integer number (543600).

Almost surely, 2^3678157 is an apocalyptic number.

It is an amenable number.

3678157 is a deficient number, since it is larger than the sum of its proper divisors (670643).

3678157 is a wasteful number, since it uses less digits than its factorization.

3678157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155.

The product of its digits is 35280, while the sum is 37.

The square root of 3678157 is about 1917.8521840851. The cubic root of 3678157 is about 154.3630748545.

Subtracting 3678157 from its reverse (7518763), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 3678157 in words is "three million, six hundred seventy-eight thousand, one hundred fifty-seven".