1406536 has 16 divisors (see below), whose sum is σ = 2663100. Its totient is φ = 696384.

The previous prime is 1406533. The next prime is 1406539. The reversal of 1406536 is 6356041.

It is an interprime number because it is at equal distance from previous prime (1406533) and next prime (1406539).

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 37636 = 1170^2 + 194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1406536.

It is not an unprimeable number, because it can be changed into a prime (1406533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66 + ... + 1678.

2^1406536 is an apocalyptic number.

It is an amenable number.

1406536 is a deficient number, since it is larger than the sum of its proper divisors (1256564).

1406536 is a wasteful number, since it uses less digits than its factorization.

1406536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1406536 is about 1185.9747046206. The cubic root of 1406536 is about 112.0427133002.

The spelling of 1406536 in words is "one million, four hundred six thousand, five hundred thirty-six".