402411749 has 4 divisors (see below), whose sum is σ = 419907936. Its totient is φ = 384915564.

The previous prime is 402411733. The next prime is 402411769. The reversal of 402411749 is 947114204.

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 a cyclic number.

It is not a de Polignac number, because 402411749 - 2⁴ = 402411733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402411769) 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 3 ways as a sum of consecutive naturals, for example, 8748059 + ... + 8748104.

It is an arithmetic number, because the mean of its divisors is an integer number (104976984).

Almost surely, 2^402411749 is an apocalyptic number.

It is an amenable number.

402411749 is a deficient number, since it is larger than the sum of its proper divisors (17496187).

402411749 is a wasteful number, since it uses less digits than its factorization.

402411749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17496186.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 402411749 is about 20060.2031146247. The cubic root of 402411749 is about 738.2841600528.

The spelling of 402411749 in words is "four hundred two million, four hundred eleven thousand, seven hundred forty-nine".