1977048 has 64 divisors (see below), whose sum is σ = 5608800. Its totient is φ = 653184.

The previous prime is 1977023. The next prime is 1977067. The reversal of 1977048 is 8407791.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 17440 + ... + 17552.

2^1977048 is an apocalyptic number.

1977048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1977048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804400).

1977048 is an abundant number, since it is smaller than the sum of its proper divisors (3631752).

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

1977048 is an equidigital number, since it uses as much as digits as its factorization.

1977048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1977048 is about 1406.0753891595. The cubic root of 1977048 is about 125.5082876809.

The spelling of 1977048 in words is "one million, nine hundred seventy-seven thousand, forty-eight".