1400326949 has 24 divisors (see below), whose sum is σ = 1672976448. Its totient is φ = 1168050240.

The previous prime is 1400326943. The next prime is 1400326957. The reversal of 1400326949 is 9496230041.

It is not a de Polignac number, because 1400326949 - 2²⁰ = 1399278373 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 (1400326943) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 654209 + ... + 656345.

It is an arithmetic number, because the mean of its divisors is an integer number (69707352).

Almost surely, 2^1400326949 is an apocalyptic number.

It is an amenable number.

1400326949 is a deficient number, since it is larger than the sum of its proper divisors (272649499).

1400326949 is a wasteful number, since it uses less digits than its factorization.

1400326949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1400326949 is about 37420.9426524774. The cubic root of 1400326949 is about 1118.7760196439.

The spelling of 1400326949 in words is "one billion, four hundred million, three hundred twenty-six thousand, nine hundred forty-nine".