403801149 has 4 divisors (see below), whose sum is σ = 538401536. Its totient is φ = 269200764.

The previous prime is 403801147. The next prime is 403801159. The reversal of 403801149 is 941108304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 403801149 - 2¹ = 403801147 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 (403801141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67300189 + ... + 67300194.

It is an arithmetic number, because the mean of its divisors is an integer number (134600384).

Almost surely, 2^403801149 is an apocalyptic number.

It is an amenable number.

403801149 is a deficient number, since it is larger than the sum of its proper divisors (134600387).

403801149 is a wasteful number, since it uses less digits than its factorization.

403801149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134600386.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 403801149 is about 20094.8040298979. The cubic root of 403801149 is about 739.1328709555.

The spelling of 403801149 in words is "four hundred three million, eight hundred one thousand, one hundred forty-nine".