801690403 has 4 divisors (see below), whose sum is σ = 848848680. Its totient is φ = 754532128.

The previous prime is 801690401. The next prime is 801690431. The reversal of 801690403 is 304096108.

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 801690403 - 2¹ = 801690401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801690401) 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, 23579113 + ... + 23579146.

It is an arithmetic number, because the mean of its divisors is an integer number (212212170).

Almost surely, 2^801690403 is an apocalyptic number.

801690403 is a deficient number, since it is larger than the sum of its proper divisors (47158277).

801690403 is a wasteful number, since it uses less digits than its factorization.

801690403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47158276.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 801690403 is about 28314.1378643250. The cubic root of 801690403 is about 928.9711530433.

The spelling of 801690403 in words is "eight hundred one million, six hundred ninety thousand, four hundred three".