1397554 has 8 divisors (see below), whose sum is σ = 2121840. Its totient is φ = 690276.

The previous prime is 1397551. The next prime is 1397563. The reversal of 1397554 is 4557931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1397551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (265230).

2^1397554 is an apocalyptic number.

1397554 is a deficient number, since it is larger than the sum of its proper divisors (724286).

1397554 is an equidigital number, since it uses as much as digits as its factorization.

1397554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504.

The product of its digits is 18900, while the sum is 34.

The square root of 1397554 is about 1182.1818810995. The cubic root of 1397554 is about 111.8037059158.

The spelling of 1397554 in words is "one million, three hundred ninety-seven thousand, five hundred fifty-four".