3630457 has 4 divisors (see below), whose sum is σ = 3640320. Its totient is φ = 3620596.

The previous prime is 3630437. The next prime is 3630461. The reversal of 3630457 is 7540363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7540363 = 53 ⋅142271.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3630457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (910080).

Almost surely, 2^3630457 is an apocalyptic number.

It is an amenable number.

3630457 is a deficient number, since it is larger than the sum of its proper divisors (9863).

3630457 is an equidigital number, since it uses as much as digits as its factorization.

3630457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3630457 is about 1905.3758159481. The cubic root of 3630457 is about 153.6928860064.

The spelling of 3630457 in words is "three million, six hundred thirty thousand, four hundred fifty-seven".