2900398 has 4 divisors (see below), whose sum is σ = 4350600. Its totient is φ = 1450198.

The previous prime is 2900389. The next prime is 2900399. The reversal of 2900398 is 8930092.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725098 + ... + 725101.

It is an arithmetic number, because the mean of its divisors is an integer number (1087650).

2^2900398 is an apocalyptic number.

2900398 is a deficient number, since it is larger than the sum of its proper divisors (1450202).

2900398 is a wasteful number, since it uses less digits than its factorization.

2900398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450201.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2900398 is about 1703.0554894072. The cubic root of 2900398 is about 142.6108381534.

The spelling of 2900398 in words is "two million, nine hundred thousand, three hundred ninety-eight".