402361349 has 4 divisors (see below), whose sum is σ = 433312236. Its totient is φ = 371410464.

The previous prime is 402361339. The next prime is 402361357. The reversal of 402361349 is 943163204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250209124 + 152152225 = 15818^2 + 12335^2 .

It is a cyclic number.

It is not a de Polignac number, because 402361349 - 2¹² = 402357253 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 (402361339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15475424 + ... + 15475449.

It is an arithmetic number, because the mean of its divisors is an integer number (108328059).

Almost surely, 2^402361349 is an apocalyptic number.

It is an amenable number.

402361349 is a deficient number, since it is larger than the sum of its proper divisors (30950887).

402361349 is a wasteful number, since it uses less digits than its factorization.

402361349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950886.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 402361349 is about 20058.9468567021. The cubic root of 402361349 is about 738.2533366691.

The spelling of 402361349 in words is "four hundred two million, three hundred sixty-one thousand, three hundred forty-nine".