3646157 has 4 divisors (see below), whose sum is σ = 3838080. Its totient is φ = 3454236.

The previous prime is 3646129. The next prime is 3646183. The reversal of 3646157 is 7516463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3646157 - 2¹⁰ = 3645133 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 (3646117) 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, 95933 + ... + 95970.

It is an arithmetic number, because the mean of its divisors is an integer number (959520).

Almost surely, 2^3646157 is an apocalyptic number.

It is an amenable number.

3646157 is a deficient number, since it is larger than the sum of its proper divisors (191923).

3646157 is a wasteful number, since it uses less digits than its factorization.

3646157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191922.

The product of its digits is 15120, while the sum is 32.

The square root of 3646157 is about 1909.4912935125. The cubic root of 3646157 is about 153.9141169530.

The spelling of 3646157 in words is "three million, six hundred forty-six thousand, one hundred fifty-seven".