802434428 has 12 divisors (see below), whose sum is σ = 1407022680. Its totient is φ = 400427952.

The previous prime is 802434427. The next prime is 802434433. The reversal of 802434428 is 824434208.

It is a happy number.

It is a super-2 number, since 2×802434428² = 1287802022479374368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802434421) 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, 195026 + ... + 199097.

It is an arithmetic number, because the mean of its divisors is an integer number (117251890).

Almost surely, 2^802434428 is an apocalyptic number.

It is an amenable number.

802434428 is a deficient number, since it is larger than the sum of its proper divisors (604588252).

802434428 is a wasteful number, since it uses less digits than its factorization.

802434428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394636 (or 394634 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 802434428 is about 28327.2735715953. The cubic root of 802434428 is about 929.2584476769.

The spelling of 802434428 in words is "eight hundred two million, four hundred thirty-four thousand, four hundred twenty-eight".