2861400292 has 6 divisors (see below), whose sum is σ = 5007450518. Its totient is φ = 1430700144.

The previous prime is 2861400259. The next prime is 2861400301. The reversal of 2861400292 is 2920041682.

It can be written as a sum of positive squares in only one way, i.e., 2249035776 + 612364516 = 47424^2 + 24746^2 .

It is a super-2 number, since 2×2861400292² = 16375223262115370528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357675033 + ... + 357675040.

Almost surely, 2^2861400292 is an apocalyptic number.

It is an amenable number.

2861400292 is a deficient number, since it is larger than the sum of its proper divisors (2146050226).

2861400292 is a wasteful number, since it uses less digits than its factorization.

2861400292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715350077 (or 715350075 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2861400292 is about 53492.0582142807. The cubic root of 2861400292 is about 1419.6878722815.

The spelling of 2861400292 in words is "two billion, eight hundred sixty-one million, four hundred thousand, two hundred ninety-two".