1406907928 has 16 divisors (see below), whose sum is σ = 2638424880. Its totient is φ = 703327968.

The previous prime is 1406907893. The next prime is 1406907973. The reversal of 1406907928 is 8297096041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45901 + ... + 70147.

It is an arithmetic number, because the mean of its divisors is an integer number (164901555).

Almost surely, 2^1406907928 is an apocalyptic number.

It is an amenable number.

1406907928 is a deficient number, since it is larger than the sum of its proper divisors (1231516952).

1406907928 is a wasteful number, since it uses less digits than its factorization.

1406907928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31506 (or 31502 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1406907928 is about 37508.7713475128. The cubic root of 1406907928 is about 1120.5258818667.

The spelling of 1406907928 in words is "one billion, four hundred six million, nine hundred seven thousand, nine hundred twenty-eight".