1399892 has 12 divisors (see below), whose sum is σ = 2638356. Its totient is φ = 646080.

The previous prime is 1399883. The next prime is 1399913. The reversal of 1399892 is 2989931.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 470596 = 964^2 + 686^2 .

It is a super-2 number, since 2×1399892² = 3919395223328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13409 + ... + 13512.

It is an arithmetic number, because the mean of its divisors is an integer number (219863).

2^1399892 is an apocalyptic number.

It is an amenable number.

1399892 is a deficient number, since it is larger than the sum of its proper divisors (1238464).

1399892 is a wasteful number, since it uses less digits than its factorization.

1399892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26938 (or 26936 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 1399892 is about 1183.1703174100. The cubic root of 1399892 is about 111.8660175055.

The spelling of 1399892 in words is "one million, three hundred ninety-nine thousand, eight hundred ninety-two".