1406776 has 16 divisors (see below), whose sum is σ = 3014640. Its totient is φ = 602880.

The previous prime is 1406773. The next prime is 1406789. The reversal of 1406776 is 6776041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406771) 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, 12505 + ... + 12616.

It is an arithmetic number, because the mean of its divisors is an integer number (188415).

2^1406776 is an apocalyptic number.

It is an amenable number.

1406776 is an abundant number, since it is smaller than the sum of its proper divisors (1607864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1406776 is a wasteful number, since it uses less digits than its factorization.

1406776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134 (or 25130 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1406776 is about 1186.0758829013. The cubic root of 1406776 is about 112.0490856272.

The spelling of 1406776 in words is "one million, four hundred six thousand, seven hundred seventy-six".