1406656746 has 32 divisors (see below), whose sum is σ = 3410078400. Its totient is φ = 426259440.

The previous prime is 1406656711. The next prime is 1406656753. The reversal of 1406656746 is 6476566041.

1406656746 is a `hidden beast` number, since 1 + 40 + 6 + 6 + 567 + 46 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183461 + ... + 1184648.

It is an arithmetic number, because the mean of its divisors is an integer number (106564950).

Almost surely, 2^1406656746 is an apocalyptic number.

1406656746 is an abundant number, since it is smaller than the sum of its proper divisors (2003421654).

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

1406656746 is a wasteful number, since it uses less digits than its factorization.

1406656746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368131 (or 2368125 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 1406656746 is about 37505.4228878972. The cubic root of 1406656746 is about 1120.4591936165.

The spelling of 1406656746 in words is "one billion, four hundred six million, six hundred fifty-six thousand, seven hundred forty-six".