4047394 has 16 divisors (see below), whose sum is σ = 6923448. Its totient is φ = 1757952.

The previous prime is 4047383. The next prime is 4047409. The reversal of 4047394 is 4937404.

It can be written as a sum of positive squares in 4 ways, for example, as 2576025 + 1471369 = 1605^2 + 1213^2 .

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, 4137 + ... + 5020.

Almost surely, 2^4047394 is an apocalyptic number.

4047394 is a deficient number, since it is larger than the sum of its proper divisors (2876054).

4047394 is a wasteful number, since it uses less digits than its factorization.

4047394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9189.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4047394 is about 2011.8136096567. The cubic root of 4047394 is about 159.3645892982.

The spelling of 4047394 in words is "four million, forty-seven thousand, three hundred ninety-four".