46405657 has 4 divisors (see below), whose sum is σ = 48848080. Its totient is φ = 43963236.

The previous prime is 46405621. The next prime is 46405661. The reversal of 46405657 is 75650464.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46405657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46205657) 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, 1221183 + ... + 1221220.

It is an arithmetic number, because the mean of its divisors is an integer number (12212020).

Almost surely, 2^46405657 is an apocalyptic number.

It is an amenable number.

46405657 is a deficient number, since it is larger than the sum of its proper divisors (2442423).

46405657 is a wasteful number, since it uses less digits than its factorization.

46405657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442422.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 46405657 is about 6812.1697718128. The cubic root of 46405657 is about 359.3549586001.

The spelling of 46405657 in words is "forty-six million, four hundred five thousand, six hundred fifty-seven".