402954859 has 4 divisors (see below), whose sum is σ = 426658104. Its totient is φ = 379251616.

The previous prime is 402954841. The next prime is 402954889. The reversal of 402954859 is 958459204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402954859 - 2⁷ = 402954731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402954889) 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, 11851597 + ... + 11851630.

It is an arithmetic number, because the mean of its divisors is an integer number (106664526).

Almost surely, 2^402954859 is an apocalyptic number.

402954859 is a deficient number, since it is larger than the sum of its proper divisors (23703245).

402954859 is a wasteful number, since it uses less digits than its factorization.

402954859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23703244.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 402954859 is about 20073.7355517103. The cubic root of 402954859 is about 738.6161494131.

It can be divided in two parts, 40295 and 4859, that added together give a palindrome (45154).

The spelling of 402954859 in words is "four hundred two million, nine hundred fifty-four thousand, eight hundred fifty-nine".