1401392 has 10 divisors (see below), whose sum is σ = 2715228. Its totient is φ = 700688.

The previous prime is 1401377. The next prime is 1401401. The reversal of 1401392 is 2931041.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43778 + ... + 43809.

2^1401392 is an apocalyptic number.

It is an amenable number.

1401392 is a deficient number, since it is larger than the sum of its proper divisors (1313836).

1401392 is an equidigital number, since it uses as much as digits as its factorization.

1401392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87595 (or 87589 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1401392 is about 1183.8040378373. The cubic root of 1401392 is about 111.9059584745.

The spelling of 1401392 in words is "one million, four hundred one thousand, three hundred ninety-two".