402106354 has 8 divisors (see below), whose sum is σ = 649556460. Its totient is φ = 185587536.

The previous prime is 402106349. The next prime is 402106357. The reversal of 402106354 is 453601204.

It can be written as a sum of positive squares in 2 ways, for example, as 356341129 + 45765225 = 18877^2 + 6765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 7732789 + ... + 7732840.

Almost surely, 2^402106354 is an apocalyptic number.

402106354 is a deficient number, since it is larger than the sum of its proper divisors (247450106).

402106354 is a wasteful number, since it uses less digits than its factorization.

402106354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465644.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 402106354 is about 20052.5897080651. The cubic root of 402106354 is about 738.0973486152.

Adding to 402106354 its reverse (453601204), we get a palindrome (855707558).

It can be divided in two parts, 40210 and 6354, that added together give a palindrome (46564).

The spelling of 402106354 in words is "four hundred two million, one hundred six thousand, three hundred fifty-four".