1401662 has 4 divisors (see below), whose sum is σ = 2102496. Its totient is φ = 700830.

The previous prime is 1401641. The next prime is 1401679. The reversal of 1401662 is 2661041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2661041 = 691 ⋅3851.

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, 350414 + ... + 350417.

It is an arithmetic number, because the mean of its divisors is an integer number (525624).

2^1401662 is an apocalyptic number.

1401662 is a deficient number, since it is larger than the sum of its proper divisors (700834).

1401662 is an equidigital number, since it uses as much as digits as its factorization.

1401662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700833.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1401662 is about 1183.9180714897. The cubic root of 1401662 is about 111.9131448217.

The spelling of 1401662 in words is "one million, four hundred one thousand, six hundred sixty-two".