1978050 has 24 divisors (see below), whose sum is σ = 4905936. Its totient is φ = 527440.

The previous prime is 1978037. The next prime is 1978051. The reversal of 1978050 is 508791.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1977999 and 1978017.

It is not an unprimeable number, because it can be changed into a prime (1978051) 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 11 ways as a sum of consecutive naturals, for example, 6444 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (204414).

2^1978050 is an apocalyptic number.

1978050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1978050 is an abundant number, since it is smaller than the sum of its proper divisors (2927886).

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

1978050 is a wasteful number, since it uses less digits than its factorization.

1978050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202 (or 13197 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1978050 is about 1406.4316549339. The cubic root of 1978050 is about 125.5294873120.

The spelling of 1978050 in words is "one million, nine hundred seventy-eight thousand, fifty".