840896460 has 36 divisors (see below), whose sum is σ = 2550719808. Its totient is φ = 224239008.

The previous prime is 840896387. The next prime is 840896503. The reversal of 840896460 is 64698048.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) 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 (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2335644 + ... + 2336003.

It is an arithmetic number, because the mean of its divisors is an integer number (70853328).

Almost surely, 2^840896460 is an apocalyptic number.

It is an amenable number.

840896460 is an abundant number, since it is smaller than the sum of its proper divisors (1709823348).

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

840896460 is a wasteful number, since it uses less digits than its factorization.

840896460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671662 (or 4671657 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 840896460 is about 28998.2147726373. The cubic root of 840896460 is about 943.8743294237.

The spelling of 840896460 in words is "eight hundred forty million, eight hundred ninety-six thousand, four hundred sixty".