402838835 has 16 divisors (see below), whose sum is σ = 565314816. Its totient is φ = 269807328.

The previous prime is 402838829. The next prime is 402838853. The reversal of 402838835 is 538838204.

It is not a de Polignac number, because 402838835 - 2⁶ = 402838771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402838792 and 402838801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132329 + ... + 135338.

It is an arithmetic number, because the mean of its divisors is an integer number (35332176).

Almost surely, 2^402838835 is an apocalyptic number.

402838835 is a deficient number, since it is larger than the sum of its proper divisors (162475981).

402838835 is a wasteful number, since it uses less digits than its factorization.

402838835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267722.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 402838835 is about 20070.8453982387. The cubic root of 402838835 is about 738.5452519544.

The spelling of 402838835 in words is "four hundred two million, eight hundred thirty-eight thousand, eight hundred thirty-five".