1406308477 has 12 divisors (see below), whose sum is σ = 1638807456. Its totient is φ = 1203272280.

The previous prime is 1406308471. The next prime is 1406308499. The reversal of 1406308477 is 7748036041.

It is not a de Polignac number, because 1406308477 - 2⁷ = 1406308349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406308471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2848 + ... + 53110.

It is an arithmetic number, because the mean of its divisors is an integer number (136567288).

Almost surely, 2^1406308477 is an apocalyptic number.

It is an amenable number.

1406308477 is a deficient number, since it is larger than the sum of its proper divisors (232498979).

1406308477 is an equidigital number, since it uses as much as digits as its factorization.

1406308477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50848 (or 50841 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1406308477 is about 37500.7796852279. The cubic root of 1406308477 is about 1120.3667158525.

The spelling of 1406308477 in words is "one billion, four hundred six million, three hundred eight thousand, four hundred seventy-seven".