1432981 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 1198080.

The previous prime is 1432979. The next prime is 1432987. The reversal of 1432981 is 1892341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1432981 - 2¹ = 1432979 is a prime.

It is a super-2 number, since 2×1432981² = 4106869092722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1432981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14725 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1432981 is an apocalyptic number.

1432981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1432981 is a deficient number, since it is larger than the sum of its proper divisors (260459).

1432981 is a wasteful number, since it uses less digits than its factorization.

1432981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its digits is 1728, while the sum is 28.

The square root of 1432981 is about 1197.0718441263. The cubic root of 1432981 is about 112.7405486643.

The spelling of 1432981 in words is "one million, four hundred thirty-two thousand, nine hundred eighty-one".