1406706477 has 16 divisors (see below), whose sum is σ = 2153809920. Its totient is φ = 807678000.

The previous prime is 1406706419. The next prime is 1406706491. The reversal of 1406706477 is 7746076041.

1406706477 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1406706477 - 2⁸ = 1406706221 is a prime.

It is a super-2 number, since 2×1406706477² = 3957646224867503058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406706407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121149 + ... + 1122402.

It is an arithmetic number, because the mean of its divisors is an integer number (134613120).

Almost surely, 2^1406706477 is an apocalyptic number.

It is an amenable number.

1406706477 is a deficient number, since it is larger than the sum of its proper divisors (747103443).

1406706477 is a wasteful number, since it uses less digits than its factorization.

1406706477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243584.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 1406706477 is about 37506.0858661631. The cubic root of 1406706477 is about 1120.4723977143.

The spelling of 1406706477 in words is "one billion, four hundred six million, seven hundred six thousand, four hundred seventy-seven".