402346151 has 4 divisors (see below), whose sum is σ = 402815400. Its totient is φ = 401876904.

The previous prime is 402346129. The next prime is 402346169. The reversal of 402346151 is 151643204.

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

It is a cyclic number.

It is not a de Polignac number, because 402346151 - 2¹⁰ = 402345127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402346151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402346111) 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, 233336 + ... + 235053.

It is an arithmetic number, because the mean of its divisors is an integer number (100703850).

Almost surely, 2^402346151 is an apocalyptic number.

402346151 is a deficient number, since it is larger than the sum of its proper divisors (469249).

402346151 is an equidigital number, since it uses as much as digits as its factorization.

402346151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469248.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 402346151 is about 20058.5680196768. The cubic root of 402346151 is about 738.2440414460.

Adding to 402346151 its reverse (151643204), we get a palindrome (553989355).

The spelling of 402346151 in words is "four hundred two million, three hundred forty-six thousand, one hundred fifty-one".