402106355 has 32 divisors (see below), whose sum is σ = 609306624. Its totient is φ = 248219136.

The previous prime is 402106349. The next prime is 402106357. The reversal of 402106355 is 553601204.

It is a cyclic number.

It is not a de Polignac number, because 402106355 - 2⁸ = 402106099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402106357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007 + ... + 28376.

It is an arithmetic number, because the mean of its divisors is an integer number (19040832).

Almost surely, 2^402106355 is an apocalyptic number.

402106355 is a deficient number, since it is larger than the sum of its proper divisors (207200269).

402106355 is a wasteful number, since it uses less digits than its factorization.

402106355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29435.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 402106355 is about 20052.5897329996. The cubic root of 402106355 is about 738.0973492271.

Adding to 402106355 its reverse (553601204), we get a palindrome (955707559).

The spelling of 402106355 in words is "four hundred two million, one hundred six thousand, three hundred fifty-five".