2148657 has 8 divisors (see below), whose sum is σ = 3274176. Its totient is φ = 1227792.

The previous prime is 2148649. The next prime is 2148659. The reversal of 2148657 is 7568412.

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

It is not a de Polignac number, because 2148657 - 2³ = 2148649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2148659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51138 + ... + 51179.

It is an arithmetic number, because the mean of its divisors is an integer number (409272).

2^2148657 is an apocalyptic number.

It is an amenable number.

2148657 is a deficient number, since it is larger than the sum of its proper divisors (1125519).

2148657 is a wasteful number, since it uses less digits than its factorization.

2148657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102327.

The product of its digits is 13440, while the sum is 33.

The square root of 2148657 is about 1465.8297991240. The cubic root of 2148657 is about 129.0394086676.

The spelling of 2148657 in words is "two million, one hundred forty-eight thousand, six hundred fifty-seven".