46398778 has 4 divisors (see below), whose sum is σ = 69598170. Its totient is φ = 23199388.

The previous prime is 46398767. The next prime is 46398787. The reversal of 46398778 is 87789364.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35129329 + 11269449 = 5927^2 + 3357^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599693 + ... + 11599696.

Almost surely, 2^46398778 is an apocalyptic number.

46398778 is a deficient number, since it is larger than the sum of its proper divisors (23199392).

46398778 is a wasteful number, since it uses less digits than its factorization.

46398778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23199391.

The product of its digits is 2032128, while the sum is 52.

The square root of 46398778 is about 6811.6648478914. The cubic root of 46398778 is about 359.3372012469.

The spelling of 46398778 in words is "forty-six million, three hundred ninety-eight thousand, seven hundred seventy-eight".