1477997 has 8 divisors (see below), whose sum is σ = 1575936. Its totient is φ = 1381312.

The previous prime is 1477979. The next prime is 1477999. The reversal of 1477997 is 7997741.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1477997 - 2¹⁰ = 1476973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1477999) 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, 3668 + ... + 4050.

It is an arithmetic number, because the mean of its divisors is an integer number (196992).

2^1477997 is an apocalyptic number.

1477997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1477997 is a deficient number, since it is larger than the sum of its proper divisors (97939).

1477997 is a wasteful number, since it uses less digits than its factorization.

1477997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its digits is 111132, while the sum is 44.

The square root of 1477997 is about 1215.7289994074. The cubic root of 1477997 is about 113.9089505893.

The spelling of 1477997 in words is "one million, four hundred seventy-seven thousand, nine hundred ninety-seven".