1649452 has 12 divisors (see below), whose sum is σ = 3298960. Its totient is φ = 706896.

The previous prime is 1649449. The next prime is 1649489. The reversal of 1649452 is 2549461.

1649452 is an admirable number.

It is an Ulam number.

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, 29427 + ... + 29482.

2^1649452 is an apocalyptic number.

It is an amenable number.

1649452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1649452 is a wasteful number, since it uses less digits than its factorization.

1649452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58920 (or 58918 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1649452 is about 1284.3099314418. The cubic root of 1649452 is about 118.1534917228.

Subtracting 1649452 from its reverse (2549461), we obtain a palindrome (900009).

The spelling of 1649452 in words is "one million, six hundred forty-nine thousand, four hundred fifty-two".