1453986 has 12 divisors (see below), whose sum is σ = 3150342. Its totient is φ = 484656.

The previous prime is 1453961. The next prime is 1453997. The reversal of 1453986 is 6893541.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 670761 = 885^2 + 819^2 .

It is a super-2 number, since 2×1453986² = 4228150576392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40371 + ... + 40406.

2^1453986 is an apocalyptic number.

1453986 is an abundant number, since it is smaller than the sum of its proper divisors (1696356).

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

1453986 is a wasteful number, since it uses less digits than its factorization.

1453986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80785 (or 80782 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1453986 is about 1205.8134184027. The cubic root of 1453986 is about 113.2887387027.

The spelling of 1453986 in words is "one million, four hundred fifty-three thousand, nine hundred eighty-six".