46397818 has 4 divisors (see below), whose sum is σ = 69596730. Its totient is φ = 23198908.

The previous prime is 46397809. The next prime is 46397833. The reversal of 46397818 is 81879364.

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., 35724529 + 10673289 = 5977^2 + 3267^2 .

It is a super-2 number, since 2×46397818² = 4305515030322248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599453 + ... + 11599456.

Almost surely, 2^46397818 is an apocalyptic number.

46397818 is a deficient number, since it is larger than the sum of its proper divisors (23198912).

46397818 is a wasteful number, since it uses less digits than its factorization.

46397818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23198911.

The product of its digits is 290304, while the sum is 46.

The square root of 46397818 is about 6811.5943801727. The cubic root of 46397818 is about 359.3347229770.

The spelling of 46397818 in words is "forty-six million, three hundred ninety-seven thousand, eight hundred eighteen".