1406990676 has 192 divisors, whose sum is σ = 4226826240. Its totient is φ = 354309120.

The previous prime is 1406990671. The next prime is 1406990677. The reversal of 1406990676 is 6760996041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406990671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3012595 + ... + 3013061.

It is an arithmetic number, because the mean of its divisors is an integer number (22014720).

Almost surely, 2^1406990676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406990676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113413120).

1406990676 is an abundant number, since it is smaller than the sum of its proper divisors (2819835564).

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

1406990676 is a wasteful number, since it uses less digits than its factorization.

1406990676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1406990676 is about 37509.8743799549. The cubic root of 1406990676 is about 1120.5478495345.

The spelling of 1406990676 in words is "one billion, four hundred six million, nine hundred ninety thousand, six hundred seventy-six".