1406530 has 16 divisors (see below), whose sum is σ = 2591424. Its totient is φ = 549360.

The previous prime is 1406521. The next prime is 1406533. The reversal of 1406530 is 356041.

It is a junction number, because it is equal to n+sod(n) for n = 1406498 and 1406507.

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 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (161964).

2^1406530 is an apocalyptic number.

1406530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406530 is a deficient number, since it is larger than the sum of its proper divisors (1184894).

1406530 is a wasteful number, since it uses less digits than its factorization.

1406530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1406530 is about 1185.9721750530. The cubic root of 1406530 is about 112.0425539828.

It can be divided in two parts, 1406 and 530, that added together give a square (1936 = 44²).

The spelling of 1406530 in words is "one million, four hundred six thousand, five hundred thirty".