1406672 has 10 divisors (see below), whose sum is σ = 2725458. Its totient is φ = 703328.

The previous prime is 1406651. The next prime is 1406677. The reversal of 1406672 is 2766041.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 274576 = 1064^2 + 524^2 .

It is a super-2 number, since 2×1406672² = 3957452231168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406677) 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, 43943 + ... + 43974.

2^1406672 is an apocalyptic number.

It is an amenable number.

1406672 is a deficient number, since it is larger than the sum of its proper divisors (1318786).

1406672 is an equidigital number, since it uses as much as digits as its factorization.

1406672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87925 (or 87919 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1406672 is about 1186.0320400394. The cubic root of 1406672 is about 112.0463243745.

The spelling of 1406672 in words is "one million, four hundred six thousand, six hundred seventy-two".