402849601 has 16 divisors (see below), whose sum is σ = 503710848. Its totient is φ = 312998400.

The previous prime is 402849593. The next prime is 402849607. The reversal of 402849601 is 106948204.

It is not a de Polignac number, because 402849601 - 2³ = 402849593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402849607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19771 + ... + 34591.

It is an arithmetic number, because the mean of its divisors is an integer number (31481928).

Almost surely, 2^402849601 is an apocalyptic number.

It is an amenable number.

402849601 is a deficient number, since it is larger than the sum of its proper divisors (100861247).

402849601 is a wasteful number, since it uses less digits than its factorization.

402849601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15192.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 402849601 is about 20071.1135964101. The cubic root of 402849601 is about 738.5518311838.

The spelling of 402849601 in words is "four hundred two million, eight hundred forty-nine thousand, six hundred one".