1949634 has 24 divisors (see below), whose sum is σ = 4275180. Its totient is φ = 642048.

The previous prime is 1949627. The next prime is 1949639. The reversal of 1949634 is 4369491.

1949634 is a `hidden beast` number, since 19 + 4 + 9 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1830609 + 119025 = 1353^2 + 345^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1949639) 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, 994 + ... + 2210.

2^1949634 is an apocalyptic number.

1949634 is an abundant number, since it is smaller than the sum of its proper divisors (2325546).

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

1949634 is a wasteful number, since it uses less digits than its factorization.

1949634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1311 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1949634 is about 1396.2929492051. The cubic root of 1949634 is about 124.9254809174.

The spelling of 1949634 in words is "one million, nine hundred forty-nine thousand, six hundred thirty-four".