1946949554 has 8 divisors (see below), whose sum is σ = 3185917488. Its totient is φ = 884977060.

The previous prime is 1946949553. The next prime is 1946949577. The reversal of 1946949554 is 4559496491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1946949554³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1946949554.

It is not an unprimeable number, because it can be changed into a prime (1946949553) 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, 44248832 + ... + 44248875.

It is an arithmetic number, because the mean of its divisors is an integer number (398239686).

Almost surely, 2^1946949554 is an apocalyptic number.

1946949554 is a deficient number, since it is larger than the sum of its proper divisors (1238967934).

1946949554 is a wasteful number, since it uses less digits than its factorization.

1946949554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88497720.

The product of its digits is 6998400, while the sum is 56.

The square root of 1946949554 is about 44124.2513137617. The cubic root of 1946949554 is about 1248.6811805816.

The spelling of 1946949554 in words is "one billion, nine hundred forty-six million, nine hundred forty-nine thousand, five hundred fifty-four".