1976730 has 32 divisors (see below), whose sum is σ = 5422464. Its totient is φ = 451776.

The previous prime is 1976729. The next prime is 1976731. The reversal of 1976730 is 376791.

It is an interprime number because it is at equal distance from previous prime (1976729) and next prime (1976731).

It is a super-2 number, since 2×1976730² = 7814922985800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1976691 and 1976700.

It is not an unprimeable number, because it can be changed into a prime (1976731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4497 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (169452).

2^1976730 is an apocalyptic number.

1976730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1976730 is an abundant number, since it is smaller than the sum of its proper divisors (3445734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1976730 is a wasteful number, since it uses less digits than its factorization.

1976730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 1976730 is about 1405.9623039043. The cubic root of 1976730 is about 125.5015581570.

The spelling of 1976730 in words is "one million, nine hundred seventy-six thousand, seven hundred thirty".