1406632 has 8 divisors (see below), whose sum is σ = 2637450. Its totient is φ = 703312.

The previous prime is 1406617. The next prime is 1406633. The reversal of 1406632 is 2366041.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 36 = 1186^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1406632² = 3957227166848, which contains 22 as substring.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1406633) by changing a digit.

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 as a sum of consecutive naturals, namely, 87907 + ... + 87922.

2^1406632 is an apocalyptic number.

It is an amenable number.

1406632 is a deficient number, since it is larger than the sum of its proper divisors (1230818).

1406632 is a wasteful number, since it uses less digits than its factorization.

1406632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175835 (or 175831 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1406632 is about 1186.0151769687. The cubic root of 1406632 is about 112.0452623180.

The spelling of 1406632 in words is "one million, four hundred six thousand, six hundred thirty-two".