1392946 has 16 divisors (see below), whose sum is σ = 2256984. Its totient is φ = 642304.

The previous prime is 1392943. The next prime is 1392953. The reversal of 1392946 is 6492931.

It can be written as a sum of positive squares in 4 ways, for example, as 1185921 + 207025 = 1089^2 + 455^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1392943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 2188.

2^1392946 is an apocalyptic number.

1392946 is a deficient number, since it is larger than the sum of its proper divisors (864038).

1392946 is a wasteful number, since it uses less digits than its factorization.

1392946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 11664, while the sum is 34.

The square root of 1392946 is about 1180.2313332563. The cubic root of 1392946 is about 111.6806912907.

The spelling of 1392946 in words is "one million, three hundred ninety-two thousand, nine hundred forty-six".