1400626984 has 16 divisors (see below), whose sum is σ = 2626578900. Its totient is φ = 700205952.

The previous prime is 1400626973. The next prime is 1400626999. The reversal of 1400626984 is 4896260041.

It can be written as a sum of positive squares in 2 ways, for example, as 1400406084 + 220900 = 37422^2 + 470^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80644 + ... + 96460.

Almost surely, 2^1400626984 is an apocalyptic number.

It is an amenable number.

1400626984 is a deficient number, since it is larger than the sum of its proper divisors (1225951916).

1400626984 is a wasteful number, since it uses less digits than its factorization.

1400626984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26892 (or 26888 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1400626984 is about 37424.9513560138. The cubic root of 1400626984 is about 1118.8559171736.

The spelling of 1400626984 in words is "one billion, four hundred million, six hundred twenty-six thousand, nine hundred eighty-four".