31446046 has 4 divisors (see below), whose sum is σ = 47169072. Its totient is φ = 15723022.

The previous prime is 31446031. The next prime is 31446053. The reversal of 31446046 is 64064413.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7861510 + ... + 7861513.

It is an arithmetic number, because the mean of its divisors is an integer number (11792268).

Almost surely, 2^31446046 is an apocalyptic number.

31446046 is a deficient number, since it is larger than the sum of its proper divisors (15723026).

31446046 is a wasteful number, since it uses less digits than its factorization.

31446046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15723025.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 31446046 is about 5607.6774158291. The cubic root of 31446046 is about 315.6375631506.

It can be divided in two parts, 314 and 46046, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 31446046 in words is "thirty-one million, four hundred forty-six thousand, forty-six".