46390397 has 4 divisors (see below), whose sum is σ = 46549020. Its totient is φ = 46231776.

The previous prime is 46390391. The next prime is 46390403. The reversal of 46390397 is 79309364.

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

It is an interprime number because it is at equal distance from previous prime (46390391) and next prime (46390403).

It can be written as a sum of positive squares in 2 ways, for example, as 43811161 + 2579236 = 6619^2 + 1606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46390397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46390391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78872 + ... + 79457.

It is an arithmetic number, because the mean of its divisors is an integer number (11637255).

Almost surely, 2^46390397 is an apocalyptic number.

It is an amenable number.

46390397 is a deficient number, since it is larger than the sum of its proper divisors (158623).

46390397 is a wasteful number, since it uses less digits than its factorization.

46390397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158622.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 46390397 is about 6811.0496254249. The cubic root of 46390397 is about 359.3155642803.

The spelling of 46390397 in words is "forty-six million, three hundred ninety thousand, three hundred ninety-seven".