972840235 has 16 divisors (see below), whose sum is σ = 1215102240. Its totient is φ = 746807040.

The previous prime is 972840229. The next prime is 972840241. The reversal of 972840235 is 532048279.

It is an interprime number because it is at equal distance from previous prime (972840229) and next prime (972840241).

It is not a de Polignac number, because 972840235 - 2²⁵ = 939285803 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3055 + ... + 44215.

It is an arithmetic number, because the mean of its divisors is an integer number (75943890).

Almost surely, 2^972840235 is an apocalyptic number.

972840235 is a deficient number, since it is larger than the sum of its proper divisors (242262005).

972840235 is a wasteful number, since it uses less digits than its factorization.

972840235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41358.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 972840235 is about 31190.3869004538. The cubic root of 972840235 is about 990.8635240299.

The spelling of 972840235 in words is "nine hundred seventy-two million, eight hundred forty thousand, two hundred thirty-five".