402836494 has 4 divisors (see below), whose sum is σ = 604254744. Its totient is φ = 201418246.

The previous prime is 402836459. The next prime is 402836519. The reversal of 402836494 is 494638204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100709122 + ... + 100709125.

It is an arithmetic number, because the mean of its divisors is an integer number (151063686).

Almost surely, 2^402836494 is an apocalyptic number.

402836494 is a deficient number, since it is larger than the sum of its proper divisors (201418250).

402836494 is a wasteful number, since it uses less digits than its factorization.

402836494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201418249.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 402836494 is about 20070.7870797336. The cubic root of 402836494 is about 738.5438213262.

The spelling of 402836494 in words is "four hundred two million, eight hundred thirty-six thousand, four hundred ninety-four".