802381554 has 24 divisors (see below), whose sum is σ = 1872224172. Its totient is φ = 246886560.

The previous prime is 802381537. The next prime is 802381577. The reversal of 802381554 is 455183208.

It is a happy number.

802381554 is a `hidden beast` number, since 8 + 0 + 23 + 81 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 802192329 + 189225 = 28323^2 + 435^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714257 + ... + 1714724.

Almost surely, 2^802381554 is an apocalyptic number.

802381554 is an abundant number, since it is smaller than the sum of its proper divisors (1069842618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

802381554 is a wasteful number, since it uses less digits than its factorization.

802381554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429002 (or 3428999 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 802381554 is about 28326.3402860306. The cubic root of 802381554 is about 929.2380369996.

The spelling of 802381554 in words is "eight hundred two million, three hundred eighty-one thousand, five hundred fifty-four".