46478399 has 12 divisors (see below), whose sum is σ = 52281768. Its totient is φ = 41265840.

The previous prime is 46478321. The next prime is 46478417. The reversal of 46478399 is 99387464.

It is a de Polignac number, because none of the positive numbers 2^k-46478399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46478599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (4356814).

Almost surely, 2^46478399 is an apocalyptic number.

46478399 is a deficient number, since it is larger than the sum of its proper divisors (5803369).

46478399 is a wasteful number, since it uses less digits than its factorization.

46478399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998 (or 8987 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 46478399 is about 6817.5068023435. The cubic root of 46478399 is about 359.5426264658.

The spelling of 46478399 in words is "forty-six million, four hundred seventy-eight thousand, three hundred ninety-nine".