2148477 has 16 divisors (see below), whose sum is σ = 3070080. Its totient is φ = 1331712.

The previous prime is 2148473. The next prime is 2148491. The reversal of 2148477 is 7748412.

It is not a de Polignac number, because 2148477 - 2² = 2148473 is a prime.

2148477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5049 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (191880).

2^2148477 is an apocalyptic number.

It is an amenable number.

2148477 is a deficient number, since it is larger than the sum of its proper divisors (921603).

2148477 is a wasteful number, since it uses less digits than its factorization.

2148477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its digits is 12544, while the sum is 33.

The square root of 2148477 is about 1465.7683991682. The cubic root of 2148477 is about 129.0358052163.

It can be divided in two parts, 2148 and 477, that multiplied together give a triangular number (1024596 = T₁₄₃₁).

The spelling of 2148477 in words is "two million, one hundred forty-eight thousand, four hundred seventy-seven".