402375347 has 4 divisors (see below), whose sum is σ = 438954936. Its totient is φ = 365795760.

The previous prime is 402375313. The next prime is 402375349. The reversal of 402375347 is 743573204.

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

It is not a de Polignac number, because 402375347 - 2⁶ = 402375283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402375349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18289778 + ... + 18289799.

It is an arithmetic number, because the mean of its divisors is an integer number (109738734).

Almost surely, 2^402375347 is an apocalyptic number.

402375347 is a deficient number, since it is larger than the sum of its proper divisors (36579589).

402375347 is a wasteful number, since it uses less digits than its factorization.

402375347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36579588.

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 402375347 is about 20059.2957752759. The cubic root of 402375347 is about 738.2618977551.

The spelling of 402375347 in words is "four hundred two million, three hundred seventy-five thousand, three hundred forty-seven".