1634464 has 24 divisors (see below), whose sum is σ = 3466260. Its totient is φ = 754176.

The previous prime is 1634461. The next prime is 1634471. The reversal of 1634464 is 4644361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 242064 = 1180^2 + 492^2 .

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1634461) 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, 1549 + ... + 2380.

2^1634464 is an apocalyptic number.

It is an amenable number.

1634464 is an abundant number, since it is smaller than the sum of its proper divisors (1831796).

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

1634464 is a wasteful number, since it uses less digits than its factorization.

1634464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3944 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1634464 is about 1278.4615754883. The cubic root of 1634464 is about 117.7945289519.

The spelling of 1634464 in words is "one million, six hundred thirty-four thousand, four hundred sixty-four".