402616434 has 64 divisors (see below), whose sum is σ = 898283520. Its totient is φ = 119280000.

The previous prime is 402616421. The next prime is 402616447. The reversal of 402616434 is 434616204.

It is an interprime number because it is at equal distance from previous prime (402616421) and next prime (402616447).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 707302 + ... + 707870.

It is an arithmetic number, because the mean of its divisors is an integer number (14035680).

Almost surely, 2^402616434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402616434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449141760).

402616434 is an abundant number, since it is smaller than the sum of its proper divisors (495667086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402616434 is a wasteful number, since it uses less digits than its factorization.

402616434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 402616434 is about 20065.3042339258. The cubic root of 402616434 is about 738.4093138531.

The spelling of 402616434 in words is "four hundred two million, six hundred sixteen thousand, four hundred thirty-four".