970866540 has 192 divisors, whose sum is σ = 3487518720. Its totient is φ = 219628800.

The previous prime is 970866467. The next prime is 970866551. The reversal of 970866540 is 45668079.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380509 + ... + 383051.

It is an arithmetic number, because the mean of its divisors is an integer number (18164160).

Almost surely, 2^970866540 is an apocalyptic number.

970866540 is a gapful number since it is divisible by the number (90) 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 970866540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743759360).

970866540 is an abundant number, since it is smaller than the sum of its proper divisors (2516652180).

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

970866540 is a wasteful number, since it uses less digits than its factorization.

970866540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 970866540 is about 31158.7313605673. The cubic root of 970866540 is about 990.1929834990.

The spelling of 970866540 in words is "nine hundred seventy million, eight hundred sixty-six thousand, five hundred forty".