394260436 has 6 divisors (see below), whose sum is σ = 689955770. Its totient is φ = 197130216.

The previous prime is 394260409. The next prime is 394260443. The reversal of 394260436 is 634062493.

It can be written as a sum of positive squares in only one way, i.e., 393784336 + 476100 = 19844^2 + 690^2 .

It is a junction number, because it is equal to n+sod(n) for n = 394260395 and 394260404.

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, 49282551 + ... + 49282558.

Almost surely, 2^394260436 is an apocalyptic number.

It is an amenable number.

394260436 is a deficient number, since it is larger than the sum of its proper divisors (295695334).

394260436 is a wasteful number, since it uses less digits than its factorization.

394260436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98565113 (or 98565111 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 394260436 is about 19855.9924456069. The cubic root of 394260436 is about 733.2651858620.

The spelling of 394260436 in words is "three hundred ninety-four million, two hundred sixty thousand, four hundred thirty-six".