977349 has 4 divisors (see below), whose sum is σ = 1303136. Its totient is φ = 651564.

The previous prime is 977323. The next prime is 977351. The reversal of 977349 is 943779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 977349 - 2¹² = 973253 is a prime.

It is a super-2 number, since 2×977349² = 1910422135602, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9 + 7⁶ + 3⁹ + 7⁷ + 4⁷ + 9² .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

977349 is a lucky number.

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977359) 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, 162889 + ... + 162894.

It is an arithmetic number, because the mean of its divisors is an integer number (325784).

2⁹⁷⁷³⁴⁹ is an apocalyptic number.

It is an amenable number.

977349 is a deficient number, since it is larger than the sum of its proper divisors (325787).

977349 is a wasteful number, since it uses less digits than its factorization.

977349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325786.

The product of its digits is 47628, while the sum is 39.

The square root of 977349 is about 988.6096297326. The cubic root of 977349 is about 99.2391930741.

It can be divided in two parts, 977 and 349, that added together give a triangular number (1326 = T₅₁).

The spelling of 977349 in words is "nine hundred seventy-seven thousand, three hundred forty-nine".