2354287394 has 8 divisors (see below), whose sum is σ = 3531643308. Its totient is φ = 1177072960.

The previous prime is 2354287391. The next prime is 2354287409. The reversal of 2354287394 is 4937824532.

It can be written as a sum of positive squares in 2 ways, for example, as 2353705225 + 582169 = 48515^2 + 763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2354287394² = 11085338267094622472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2354287391) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 31574 + ... + 75534.

Almost surely, 2^2354287394 is an apocalyptic number.

2354287394 is a deficient number, since it is larger than the sum of its proper divisors (1177355914).

2354287394 is a wasteful number, since it uses less digits than its factorization.

2354287394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70740.

The product of its digits is 1451520, while the sum is 47.

The square root of 2354287394 is about 48520.9995156736. Note that the first 3 decimals coincide. The cubic root of 2354287394 is about 1330.3109292458.

Adding to 2354287394 its sum of digits (47), we get a square (2354287441 = 48521²).

The spelling of 2354287394 in words is "two billion, three hundred fifty-four million, two hundred eighty-seven thousand, three hundred ninety-four".