42900399 has 6 divisors (see below), whose sum is σ = 61967256. Its totient is φ = 28600260.

The previous prime is 42900383. The next prime is 42900409. The reversal of 42900399 is 99300924.

It is not a de Polignac number, because 42900399 - 2⁴ = 42900383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2383347 + ... + 2383364.

It is an arithmetic number, because the mean of its divisors is an integer number (10327876).

Almost surely, 2^42900399 is an apocalyptic number.

42900399 is a deficient number, since it is larger than the sum of its proper divisors (19066857).

42900399 is a wasteful number, since it uses less digits than its factorization.

42900399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766717 (or 4766714 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 42900399 is about 6549.8396163570. The cubic root of 42900399 is about 350.0690992822.

The spelling of 42900399 in words is "forty-two million, nine hundred thousand, three hundred ninety-nine".