2457634 has 8 divisors (see below), whose sum is σ = 3813660. Its totient is φ = 1186416.

The previous prime is 2457617. The next prime is 2457641. The reversal of 2457634 is 4367542.

It can be written as a sum of positive squares in 2 ways, for example, as 2295225 + 162409 = 1515^2 + 403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2457596 and 2457605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21129 + ... + 21244.

2^2457634 is an apocalyptic number.

2457634 is a deficient number, since it is larger than the sum of its proper divisors (1356026).

2457634 is a wasteful number, since it uses less digits than its factorization.

2457634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42404.

The product of its digits is 20160, while the sum is 31.

The square root of 2457634 is about 1567.6842794389. The cubic root of 2457634 is about 134.9498487699.

The spelling of 2457634 in words is "two million, four hundred fifty-seven thousand, six hundred thirty-four".