975084390 has 96 divisors (see below), whose sum is σ = 2945007936. Its totient is φ = 219214080.

The previous prime is 975084377. The next prime is 975084413. The reversal of 975084390 is 93480579.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25744 + ... + 51116.

It is an arithmetic number, because the mean of its divisors is an integer number (30677166).

Almost surely, 2^975084390 is an apocalyptic number.

975084390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 975084390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472503968).

975084390 is an abundant number, since it is smaller than the sum of its proper divisors (1969923546).

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

975084390 is a wasteful number, since it uses less digits than its factorization.

975084390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25454 (or 25451 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 975084390 is about 31226.3412842427. The cubic root of 975084390 is about 991.6248493379.

The spelling of 975084390 in words is "nine hundred seventy-five million, eighty-four thousand, three hundred ninety".