49400493 has 16 divisors (see below), whose sum is σ = 66745536. Its totient is φ = 32497920.

The previous prime is 49400479. The next prime is 49400497. The reversal of 49400493 is 39400494.

It is a happy number.

It is not a de Polignac number, because 49400493 - 2⁸ = 49400237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49400497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132255 + ... + 132627.

It is an arithmetic number, because the mean of its divisors is an integer number (4171596).

Almost surely, 2^49400493 is an apocalyptic number.

It is an amenable number.

49400493 is a deficient number, since it is larger than the sum of its proper divisors (17345043).

49400493 is a wasteful number, since it uses less digits than its factorization.

49400493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 49400493 is about 7028.5484276627. The cubic root of 49400493 is about 366.9248237994.

Subtracting from 49400493 its reverse (39400494), we obtain a palindrome (9999999).

The spelling of 49400493 in words is "forty-nine million, four hundred thousand, four hundred ninety-three".