2148957 has 32 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 1315440.

The previous prime is 2148947. The next prime is 2148983. The reversal of 2148957 is 7598412.

It is not a de Polignac number, because 2148957 - 2⁶ = 2148893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30232 + ... + 30302.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2^2148957 is an apocalyptic number.

2148957 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2148957 is a deficient number, since it is larger than the sum of its proper divisors (1307043).

2148957 is a wasteful number, since it uses less digits than its factorization.

2148957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 152 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2148957 is about 1465.9321266689. The cubic root of 2148957 is about 129.0454139724.

The spelling of 2148957 in words is "two million, one hundred forty-eight thousand, nine hundred fifty-seven".