634562349 has 16 divisors (see below), whose sum is σ = 899061120. Its totient is φ = 396730880.

The previous prime is 634562347. The next prime is 634562363. The reversal of 634562349 is 943265436.

It is a cyclic number.

It is not a de Polignac number, because 634562349 - 2¹ = 634562347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634562349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634562347) 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, 7809 + ... + 36470.

It is an arithmetic number, because the mean of its divisors is an integer number (56191320).

Almost surely, 2^634562349 is an apocalyptic number.

It is an amenable number.

634562349 is a deficient number, since it is larger than the sum of its proper divisors (264498771).

634562349 is a wasteful number, since it uses less digits than its factorization.

634562349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44580.

The product of its digits is 466560, while the sum is 42.

The square root of 634562349 is about 25190.5210148579. The cubic root of 634562349 is about 859.3262927220.

The spelling of 634562349 in words is "six hundred thirty-four million, five hundred sixty-two thousand, three hundred forty-nine".