47290397 has 16 divisors (see below), whose sum is σ = 59136000. Its totient is φ = 36739440.

The previous prime is 47290393. The next prime is 47290457. The reversal of 47290397 is 79309274.

It is a cyclic number.

It is not a de Polignac number, because 47290397 - 2² = 47290393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47290391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33104 + ... + 34502.

It is an arithmetic number, because the mean of its divisors is an integer number (3696000).

Almost surely, 2^47290397 is an apocalyptic number.

It is an amenable number.

47290397 is a deficient number, since it is larger than the sum of its proper divisors (11845603).

47290397 is a wasteful number, since it uses less digits than its factorization.

47290397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 47290397 is about 6876.8013640064. The cubic root of 47290397 is about 361.6243393968.

The spelling of 47290397 in words is "forty-seven million, two hundred ninety thousand, three hundred ninety-seven".