1400003493 has 16 divisors (see below), whose sum is σ = 2202157056. Its totient is φ = 774195120.

The previous prime is 1400003471. The next prime is 1400003513. The reversal of 1400003493 is 3943000041.

It is not a de Polignac number, because 1400003493 - 2⁵ = 1400003461 is a prime.

It is a super-3 number, since 3×1400003493³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400003093) 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 15 ways as a sum of consecutive naturals, for example, 1074621 + ... + 1075922.

It is an arithmetic number, because the mean of its divisors is an integer number (137634816).

Almost surely, 2^1400003493 is an apocalyptic number.

It is an amenable number.

1400003493 is a deficient number, since it is larger than the sum of its proper divisors (802153563).

1400003493 is a wasteful number, since it uses less digits than its factorization.

1400003493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150584.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1400003493 is about 37416.6205448862. The cubic root of 1400003493 is about 1118.6898724569.

The spelling of 1400003493 in words is "one billion, four hundred million, three thousand, four hundred ninety-three".