2057634 has 24 divisors (see below), whose sum is σ = 4517760. Its totient is φ = 676728.

The previous prime is 2057633. The next prime is 2057639. The reversal of 2057634 is 4367502.

It is a happy number.

2057634 is a `hidden beast` number, since 20 + 5 + 7 + 634 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2057598 and 2057607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (188240).

2^2057634 is an apocalyptic number.

2057634 is an abundant number, since it is smaller than the sum of its proper divisors (2460126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057634 is a wasteful number, since it uses less digits than its factorization.

2057634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2057634 is about 1434.4455374813. The cubic root of 2057634 is about 127.1909006188.

The spelling of 2057634 in words is "two million, fifty-seven thousand, six hundred thirty-four".