403774340 has 24 divisors (see below), whose sum is σ = 870844632. Its totient is φ = 157144320.

The previous prime is 403774307. The next prime is 403774363. The reversal of 403774340 is 43477304.

It can be written as a sum of positive squares in 4 ways, for example, as 52736644 + 351037696 = 7262^2 + 18736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403774297 and 403774306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272081 + ... + 273560.

It is an arithmetic number, because the mean of its divisors is an integer number (36285193).

Almost surely, 2^403774340 is an apocalyptic number.

It is an amenable number.

403774340 is an abundant number, since it is smaller than the sum of its proper divisors (467070292).

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

403774340 is a wasteful number, since it uses less digits than its factorization.

403774340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545687 (or 545685 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 403774340 is about 20094.1369558386. The cubic root of 403774340 is about 739.1165131915.

The spelling of 403774340 in words is "four hundred three million, seven hundred seventy-four thousand, three hundred forty".